Systems of equations and inequalities unit test

Name_____ Date_____ Graded Assignment Unit 1 Test, Part 2: Systems of Linear Equations and Inequalities. Answer the questions below. When you are finished, submit this test to your teacher for full credit. Total Score: _____of 15 points.

“PRACTICE” TEST… Unit 2 – Equations and Inequalities Part 1: Solve the equations, if possible. No decimal answers unless decimals are given. _____1) 4 8 3 2 x _____2) 4 5 x 4x 20 ... Part 3: Solve the compound inequalities. No decimal answers unless decimals are given. _____7) 4 d 3y 1d 5 _____8) 10x 4 d 24 or 5x 3 ! 18 ...The two-page exam covers the following learning targets. · Systems of Linear Equations; Substitution and Elimination. I CAN: 1. Classify and solve systems of linear equations in 2 variables. 2. Solve application problems using a system of 2 linear equations in 2 variables. 3. Solve a system of 3 linear equations in 3 variables.Classify systems of two-variable equations as dependent, independent, consistent, or inconsistent. Solve systems of two-variable linear equations graphically. Solve systems of two-variable linear inequalities. Solving Linear Systems by Elimination Solve systems of two-variable linear equations using elimination. Solving Linear Systems by ...1 exam per unit, course diagnostic, and course final exam. Cost: FREE, and always will be. View 3 ways to use this course. Summative assessments. ... Unit 3 Saving & Systems of Equations View Unit Plan > FA-3.1 Why Save? View Student ... Unit 4 Budgeting & Systems of Inequalities View Unit Plan > FA-4.1 Budgeting for Teens. View ...Graphing and Writing Equations (Review Day 1) Key. Videos: Writing Linear Equations in all Forms. Graphing Linear Equations y=mx+b. Graphing Linear Equations in Standard Form. Notes on Solving Equations, Inequalities and Absolute Value. S olving Equations, Inequalities, and Absolute Value (Review Day 2) Notes on Solving Equations, Inequalities ...

Free System of Inequalities calculator - Graph system of inequalities and find intersections step-by-stepStudy with Quizlet and memorize flashcards containing terms like Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 6 x - y = 0, Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + 2y = 0 2x + 4y = 0, Solve the linear system. x + y = -3 y = 2x and more.15 minutes. 1 pt. A gym charges a one-time registration fee as well as a monthly fee. The cost of joining the gym for 4 months is $370, and the cost of joining for 6 months is $530. Write a system of equations to find the registration fee and monthly fee. m= months; r = registration fee. r - 4m = 370. r - 6m = 530. r + 4m = 370. • Systems of equations are useful for making informed choices when presented with more than one option. • The solution to a system of equations is the ordered pair that satisfies both equations. In real world situations, it is typically the break-even point. • Most systems of linear equations have exactly one solution.May 9, 2023 · This page titled 7.R: Systems of Equations and Inequalities (Review) is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. Can someone help me asap with this unit test Lesson 14: Equations and Inequalities Unit Test Math 7 A Unit 4: Equations and Inequalities. Questions LLC. Login or Sign Up. Ask a New Question. Education; Mathematics; ... Unit 2: Systems of Equations and Inequalities Lesson 9 . 1-D 2-D 3-C 4-D 5-C 6-D 7-A 8-B 9-A 10-A 11-A 12-A 13-A 14-B 15-A 16-B ...This curriculum is divided into the following units: Unit 1 – Algebra Basics. Unit 2 – Multi-Step Equations and Inequalities. Unit 3 – Relations and Functions. Unit 4 – Linear Equations. Unit 5 – Systems of Equations and Inequalities. Unit 6 – Exponent Rules. Unit 7 – Polynomials and Factoring.Enter your answer, as one inequality, in the box. 1 ≤ x < 8. Solve for x. 7x − 9 < 12 or 14x + 8 > 11. x < 3 or x > 12. Which graph represents the inequality? 18x − 3y < −21. Dotted line passing through ( -1, 0) and ( 0, 6) Enter an inequality that represents the graph in the box.

Algebra 1 – Spencer – Unit 4 Notes: Inequalities and Graphing Linear Equations . Another example: 5x > 20 . 5 20 5 5x > Undo the multiplied 5 by dividing both sides by 5 . x > 4 Easy!! Practice: More than 15,000 fans, f, attended the football game last night. Examples: Solve and check. y + 5 > 11 -21 > d – 8y = mx+b. Slope-intercept form of a line; y = 3x - 5. Infinitely many solutions. The result when the graphs of the equations are overlapping (coinciding lines) Ax + By = C. Standard form of a linear equation, where A, B, and C represent integers and x and y represent variables. Linear inequality in two variables.A system of equations that has no solution. The outcome factor; the variable that may change in response to manipulations of the independent variable. Two or more linear inequalities using the same variables. Any ordered pair in a system that makes all the equations of that system true. Study with Quizlet and memorize flashcards containing ... Algebra (all content) 20 units · 412 skills. Unit 1 Introduction to algebra. Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs. Unit 4 Sequences. Unit 5 System of equations. Unit 6 Two-variable inequalities. Unit 7 Functions. Unit 8 Absolute value equations, functions, & inequalities.

Activison login.

Quiz Unit test Solving absolute value equations Learn Intro to absolute value equations and graphs Solving absolute value equations Worked example: absolute value equation with two solutions Worked example: absolute value equations with one solution Worked example: absolute value equations with no solution PracticeThis product contains a 40 point Unit Test covering graphing systems of equations and inequalities, solving systems of equations by substitution and elimination method, and …Unit 5: Systems of Equations & Inequalities. 4.2 (31 reviews) boundary line. Click the card to flip 👆. a line that divides a coordinate plane into two half-planes; between the points that satisfy the constraint and those that do not. If the line is solid, the points on it are included in the solution set. If the line is dashed, the points on ...Linear equations and inequalities : Systems of linear equations and inequalities Quiz. Linear equations and inequalities generally contain unknown values that are not raised …

1. Sort to line up the variable and equal signs. 2. Multiply one or both equations by a constant to create the additive inverse of the variable. 3. add or subtract one equation eliminate one of the variables. 4. Solve for variables that remain. 5. substitute new value back into the equation to get the other variable. 6.Remember that WCPSS has all the MVP Tutorial Videos and other Helpful Resources located on CANVAS. Here is a document that explains how to access that information.: WCPSS MVP Student Support Website on Canvas. Khan Academy Tutorial Videos and Practice for Module 6: Linear Word Problems, Inequalities (Systems and Graphs) and …Unit 4 - Radicals (Chapter 5) Unit 5 - Rational Expressions (Chapter 6) Unit 6 - Absolute Value and Reciprocal Functions (Chapter 7) Unit 7 - Systems of Equations and Inequalities (Chapters 8 and 9) Final Review; Math 20-1 Formula Sheet: File Size: 308 kb: File Type: pdf: Download File. Powered by Create your own unique website with ...Study with Quizlet and memorize flashcards containing terms like Solve the equation. What is the value of x? x-6.8=356.3, Kristoff ran more than 16 miles. Kristoff wants to write an …Free Algebra 1 worksheets created with Infinite Algebra 1. Printable in convenient PDF format.As a salesperson, Brittany earns $1,200 a month plus 7.5% commission on her sales. She needs to earn at least $3,300 a month to pay all her bills. The following inequality can be used to find the amount of sales Brittany needs to have each month. 1200 plus 0.075 x greater than or equal to 3300. X> 28,000. This Systems of Equations and Inequalities Unit Bundle contains guided notes, homework assignments, three quizzes, a study guide, and a unit test that cover the following topics: • Solving Systems by Graphing. • Solving Systems by Substitution. • Solving Systems by Elimination. • Comparing Methods to Solving Systems/Review of …This page titled 9.R: Systems of Equations and Inequalities (Review) is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.1 exam per unit, course diagnostic, and course final exam. Cost: FREE, and always will be. View 3 ways to use this course. Summative assessments. ... Unit 3 Saving & Systems of Equations View Unit Plan > FA-3.1 Why Save? View Student Activity Packet ... Unit 4 Budgeting & Systems of Inequalities View Unit Plan > FA-4.1 Budgeting for Teens. …Select a Unit. Unit 1 Sequences; Unit 2 Linear and Exponential Functions; Unit 3 Features of Functions; Unit 4 Equations and Inequalities; Unit 5 Systems of Equations and Inequalities; Unit 6 Quadratic Functions; Unit 7 Structures of Quadratic Expressions; Unit 8 More Functions, More Features; Unit 9 Modeling Data

This product contains a 40 point Unit Test covering graphing systems of equations and inequalities, solving systems of equations by substitution and elimination method, and …

A system of linear inequalities is an extension of a system of linear equations and consists of two (or more) linear inequalities that have the same variables. For example, 2x + 3y < 4 and 3x + 4y < 5 constitute a system of inequalities if x represents the same item in both equations, y represents the same item in both equations, and both ... Free Algebra 1 worksheets created with Infinite Algebra 1. Printable in convenient PDF format.Free Algebra 1 worksheets created with Infinite Algebra 1. Printable in convenient PDF format.This Systems of Equations and Inequalities Unit Bundle contains guided notes, homework assignments, three quizzes, a study guide, and a unit test that cover the following topics: • Solving Systems by Graphing. • Solving Systems by Substitution. • Solving Systems by Elimination. • Comparing Methods to Solving Systems/Review of All Methods. Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes. Which system of equations represents the situation? 3x + 2y = 315. 2x + 4y = 450. 3x + 2y = 450. 2x + 4y = 315. 2x + 2y = 315. 3x + 4y = 450. See Example 5.4.1 5.4. 1. There are three possible types of solutions to a system of equations representing a circle and a line: (1) no solution, the line does not intersect the circle; (2) one solution, the line is tangent to the parabola; (3) two solutions, the line intersects the circle in two points.1. $3.00. Zip. This product contains a 40 point Unit Test covering graphing systems of equations and inequalities, solving systems of equations by substitution and elimination method, and systems of equations word problems. This product includes an answer sheet for the unit test and all files are in both docx and.After a false alarm in March, the milestone brings Jeff Bezos' ambitious dream one step closer to reality. In what is being heralded as an important milestone, Amazon has received permission to begin testing its Prime Air delivery drones in...Systems of Equations and Inequalities Unit test 1. D 2. B 3. C 4. D 5. C 6. D 7. B 8. B 9. A 10. B 11. B 12. A 13. A 14. B 15. D 16. B 17. A 18. C 19. C 20. A. ... This was wrong for unit 7 lesson 8 Systems of Equations and Inequalities Unit test I got a 15/23. answered by jsjfghdkhdjd. Answer ID 2430522. Created December 12, 2022 4:32pm UTC ...As many white people have begun learning for the first time, systemic racism consistently and disproportionately affects people of color in the United States. But adults aren’t the only ones taking notice.

The blackening showtimes near regal la live.

Booksy hair.

y = mx+b. Slope-intercept form of a line; y = 3x - 5. Infinitely many solutions. The result when the graphs of the equations are overlapping (coinciding lines) Ax + By = C. Standard form of a linear equation, where A, B, and C represent integers and x and y represent variables. Linear inequality in two variables.Jul 7, 2023 · Question 1: Solve the system of inequalities: y < 2x - 1 and y > -x + 3. Answer: Solution: (-1, 0) and (2, 3) Question 2: Graph the solution set for the system of inequalities: y < x - 2 and y > -x + 1. Answer: (Include a visual representation of the graph) Congratulations on completing the Unit 1 Test Study Guide! Quiz Unit test Solving systems by graphing | 6-1 Learn Systems of equations: trolls, tolls (1 of 2) Systems of equations: trolls, tolls (2 of 2) Testing a solution to a system of …Course: Equations & Inequalities 237+ > Unit 2. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and …consistent system. A system of equations or inequalities that has at least one solution. x + y = 6. x − y = 4. Solution: (5, 1) inconsistent system. A system of equations or inequalities that has no solution. independent system. A system of equations that has exactly one solution.• Systems of equations are useful for making informed choices when presented with more than one option. • The solution to a system of equations is the ordered pair that satisfies both equations. In real world situations, it is typically the break-even point. • Most systems of linear equations have exactly one solution.Free System of Inequalities calculator - Graph system of inequalities and find intersections step-by-stepCreated by SRawlings1 Terms in this set (12) What is the solution to the system of linear equations? −9x+4y=55 −11x+7y=82 -3, 7 Marty is 3 years younger than 6 times his friend Warren's age. The sum of their ages is greater than 11. What is the youngest age Warren can be? 3 years What is the interval notation for the compound inequality?7.6: Matrices and Matrix Operations. To solve a systems of equations, we can use a matrix, which is a rectangular array of numbers. A row in a matrix is a set of numbers that are aligned horizontally. A column in a matrix is a set of numbers that are aligned vertically. Each number is an entry, sometimes called an element, of the matrix. Lupus is a long-term autoimmune disease. An autoimmune disease is when your immune system, which usually helps protect the body and fight infections, attacks healthy tissues and organs instead. ….

Most systems of equations have one solution, but special cases do exist. State whether the linear system has no solution or infinitely many solutions. You must write your equations in slope intercept form and explain why you chose your answer! 4) 21 12 yx yx 5) 12 16 8 34 2 xy xy Solving Systems: You must solve the system by the indicated method.System of equations word problem: no solution. System of equations word problem: infinite solutions. Systems of equations with elimination: TV & DVD. Systems of …1/15 (10h + 60) = 1/19 (10h) The formula for the area of a triangle is A = 1/2bh, where b is the length of the base and h is the height. The equation solved for h is h = 2A/b. Find the height of a triangle that has an area of 30 square units and a base measuring 12 units. 5 units.Chapter 9: Systems of Equations and Inequalities. Flashcards; Learn; Test; Match; ... Learn; Test; Match; Q-Chat; Created by. alexapomerantz. Share. Share. Terms in this set (44) odd (or lowest, if all even) when using the substitution method, plug into the equation with the _____ degree to avoid needing to check answers. substitution. eliminationMost systems of equations have one solution, but special cases do exist. State whether the linear system has no solution or infinitely many solutions. You must write your equations in slope intercept form and explain why you chose your answer! 4) 21 12 yx yx 5) 12 16 8 34 2 xy xy Solving Systems: You must solve the system by the indicated method.Welcome to the unit test — where you get to test your skills for the entire unit! 14 questions • 14 - 28 minutes. Learn for free about math, art, computer programming, economics, …8-05 Systems of Inequalities Graph an Inequality 1. Pretend the inequality sign is = and graph the line. 2. Decide if the line is solid or dotted Solid if ≤, =, or ≥ Dotted if < or > 3. Shade Pick a test point not on the line. Plug the test point into the inequality If this results in a true statement, then shade the side ofUnit 5 – Systems of Linear Equations and Inequalities. This unit begins by ensuring that students understand that solutions to equations are points that make the equation true, while solutions to systems make all equations (or inequalities) true. Graphical and substitution methods for solving systems are reviewed before the development of the ... A system of equations that has infinitely many solutions. x + y = 2. 2x + 2 y = 4. solution of a linear inequality. An ordered pair or ordered pairs that make the inequality true. Inequality: 3x + 2y ≥ 6. system of linear inequalities. A set of two or more linear inequalities containing two or more variables. Completing this unit should take you approximately 3 hours. Upon successful completion of this unit, you will be able to: determine the number of solutions of a given system of linear equations; classify systems of linear equations according to the number of solutions; solve systems of linear equations using graphing, substitution, or elimination; Systems of equations and inequalities unit test, 1. There are three possible types of solutions to a system of equations representing a circle and a line: (1) no solution, the line does not intersect the circle; (2) one solution, the line is tangent to the parabola; (3) two solutions, the line intersects the circle in two points. See Example 9.3.2 9.3. 2., Tests are an inevitable part of the education system, and for many students, they can bring on feelings of stress and anxiety. Whether it’s a classroom exam or a standardized test, the pressure to perform well can be overwhelming., As a salesperson, Brittany earns $1,200 a month plus 7.5% commission on her sales. She needs to earn at least $3,300 a month to pay all her bills. The following inequality can be used to find the amount of sales Brittany needs to have each month. 1200 plus 0.075 x greater than or equal to 3300. X> 28,000. , Operations and Algebraic Thinking 218-221 5 units · 67 skills. Unit 1 Ratios. Unit 2 Arithmetic with rational numbers. Unit 3 Rates and percentages. Unit 4 Variables & expressions. Unit 5 Equations & inequalities introduction. Course challenge. Test your knowledge of the skills in this course. Start Course challenge., Systems of Equations Learn with flashcards, games, and more — for free. ... Unit 5: Systems of Equations and Inequalities. Flashcards. Learn. Test. Match. , So, you found 1 point for the 1st inequality. It tells you nothing about the solution to the system of equations. The problem gives you a specific ordered pair and asks you to determine if it satisfies both inequalities. It doesn't. Sal's work is the correct approach given the requirements stated for this problem., View 1.10 Unit Test_ Systems of Linear Equations and Inequalities - Part 1.pdf from MATHS 101 at Harvard University. Item 1 What is the solution to the system of linear equations? −9x + 4y = 55 −11x, The product of a number and - 7/10 is 1/2. What is the number? Solve the following equation: -3 = 1 3/5 + m . " X is at least 2" can be represented by x > 2. A number is decreased by 1 2/3, and the result is -2. In the set of real numbers, the first number less than -3 is -4. What does the inequality x + 3 ≤ 2 say?, Mid-Chapter Quiz. Section 2-6: Ratios, Rates, and Conversions. Section 2-7: Solving Proportions. Section 2-8: Proportions and Similar Figures. Section 2-9: Percents. ... Systems of Equations and Inequalities. Section 6-1: Solving Systems by Graphing. Section 6-2: Solving Systems Using Substitution. Section 6-3: Solving Systems Using …, Solving Systems of Equations by Graphing(pp. 110–115) 1 optional 0.5 optional • Solve systems of linear equations by graphing. • Determine whether a system of linear equations is consistent and independent, consistent and dependent, or inconsistent. Solving Systems of Equations Algebraically(pp. 116–122) 1 optional 0.5 optional, Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes. Which system of equations represents the situation? 3x + 2y = 315. 2x + 4y = 450. 3x + 2y = 450. 2x + 4y = 315. 2x + 2y = 315. 3x + 4y = 450., Level up on all the skills in this unit and collect up to 900 Mastery points! Linear equations and inequalities are the foundation of many advanced math topics, such as functions, systems, matrices, and calculus. Learn how to master them and unlock new possibilities for your future studies and careers in engineering, finance, computer science ... , Learn how to solve systems of equations and inequalities in algebra with this sample unit from Edgenuity, a leading online curriculum provider. You will explore different methods, such as graphing, substitution, and elimination, and apply them to real-world problems. You will also review function notation and operations, and practice your skills with guided …, A system of equations that has at least one solution. dependent variable. The "output" value of a function. Usually the y value (y depends on x) independent variable. The "input" value of a function. Usually the x value. inconsistent. there is …, Choosing a school system for your children is an important and potentially life-altering decision. Some of the factors to consider when choosing where to send kids to school include test scores, the teacher-to-student ratio and the per-stud..., It covers systems of linear equations and inequalities, and is very similar in content to the group/practice test which I give about a week earlier. This file includes two versions of the test, 3 pages each, for a total of 6 pages. The test includes spiral review problems. This test is intended to be written on directly. , May 9, 2023 · This page titled 7.R: Systems of Equations and Inequalities (Review) is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. , Systems of equations: Unit test; About this unit. If one line is useful, let's see what we can do with two lines. In this unit, we learn how to write systems of ... , Algebra 1 (FL B.E.S.T.) 13 units · 167 skills. Unit 1 Solving equations & inequalities. Unit 2 Analyzing linear functions. Unit 3 Forms of linear functions, scatter plots, & lines of fit. Unit 4 Systems of equations. Unit 5 Inequalities (graphs & systems) Unit 6 Functions & absolute value. Unit 7 Exponents & roots. , Absolute Value Inequalities – In this final section of the Solving chapter we will solve inequalities that involve absolute value. As we will see the process for solving inequalities with a < < (i.e. a less than) is very different from solving an inequality with a > > (i.e. greater than). Here is a set of practice problems to accompany the ..., Jul 7, 2023 · Question 1: Solve the system of inequalities: y < 2x - 1 and y > -x + 3. Answer: Solution: (-1, 0) and (2, 3) Question 2: Graph the solution set for the system of inequalities: y < x - 2 and y > -x + 1. Answer: (Include a visual representation of the graph) Congratulations on completing the Unit 1 Test Study Guide! , Level up on all the skills in this unit and collect up to 900 Mastery points! Linear equations and inequalities are the foundation of many advanced math topics, such as functions, systems, matrices, and calculus. Learn how to master them and unlock new possibilities for your future studies and careers in engineering, finance, computer science ..., A system of equations that has no solution. The outcome factor; the variable that may change in response to manipulations of the independent variable. Two or more linear inequalities using the same variables. Any ordered pair in a system that makes all the equations of that system true. Study with Quizlet and memorize flashcards containing ... , Created by. Lisa Davenport. This 15-question algebra 1 test assesses students on skills related to systems of linear equations and inequalities. Students will complete the following:Identify the graph of a systems of linear equations (#1)Solve a linear system by graphing (#2-3)Solve a linear system algebraically (#4-9)Write and solve linear ..., Section 2.6 : Quadratic Equations - Part II. For problems 1 – 3 complete the square. x2 +8x x 2 + 8 x Solution. u2 −11u u 2 − 11 u Solution. 2z2 −12z 2 z 2 − 12 z Solution. For problems 4 – 8 solve the quadratic equation by completing the square. t2−10t+34 = 0 t 2 − 10 t + 34 = 0 Solution. v2 +8v−9 = 0 v 2 + 8 v − 9 = 0 ..., Algebra (all content) 20 units · 412 skills. Unit 1 Introduction to algebra. Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs. Unit 4 Sequences. Unit 5 System of equations. Unit 6 Two-variable inequalities. Unit 7 Functions. Unit 8 Absolute value equations, functions, & inequalities., 4x − 4y = 6. 3x + 3y = 36. 2x − 2y = 6. Multiple Choice. 2 minutes. 1 pt. The graph below shows four sections: A, B, C, and D. Which section of the graph represents the solution set of the system of inequalities below? A. , Properties of algebra and sets (unit 1 test) Determining elements of sets. Using interval notation. Determining whether numbers are Real, Whole Numbers, Natural Numbers, etc. Determining closed sets. Using equality properties . Properties of algebra and sets practice test (unit 1) Solving equations, inequalities, and word problems (unit 2a quiz), Unit 5 – Systems of Linear Equations and Inequalities. This unit begins by ensuring that students understand that solutions to equations are points that make the equation true, while solutions to systems make all equations (or inequalities) true. Graphical and substitution methods for solving systems are reviewed before the development of the ..., Study with Quizlet and memorize flashcards containing terms like A line contains the points (82, −96) and (87, −86). What is the slope of the line in simplified form? Enter your answer in the box., What are the x and y-intercepts of the line described by the equation? 3x−9y=10.8 Enter your answers, in decimal form, in the boxes., Graph y−5=−2/3(x+9) using the point and slope given in ..., It is important to note that this quadratic inequality is in standard form, with zero on one side of the inequality. Step 1: Determine the critical numbers. For a quadratic inequality in standard form, the critical numbers are the roots. Therefore, set the function equal to zero and solve. − x2 + 6x + 7 = 0., We can use this to write an equation for the revenue. 25c + 50a = 70, 000 25 c + 50 a = 70, 000. We now have a system of linear equations in two variables. c + a = 2, 000 c + a = 2, 000. 25c + 50a = 70, 000 25 c + 50 a = 70, 000. In the first equation, the coefficient of …, 1) Write out the equations as matrices. 2) find the determinant. 3) switch the A and D and switch the signs of B and C. 4) multiply the determinant by the switched matrix. 5) multiply the answer you get with the answers to the equation. 6) Write the matrix as an (x,y) point.