(-4, -7) (2, 1) (-65, -30) Warm-up Solve by linear combination. 1. 2. 1. 2. Solve by Substitution. 3. (-4, -7) (2, 1) (-65, -30)

How to Play Every Person in your group needs a number 1-4 Every Person in your group needs a piece of paper, a pencil, and a calculator Every Person will write down the problem and solve it on their paper (you may get help from the members in your group) Only the person whose number I call will come up and show me their paper You get one point for a correct answer If correct, you can shoot for bonus points.

Unit 2: Systems of Equations and Linear Inequalities End of Unit Review Unit 2: Systems of Equations and Linear Inequalities

Question Choices 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Return to Question Choices What algebraic property does the following show? 5x + -5x = 0 Question 1 Return to Question Choices

Return to Question Choices Is the point (4,2) a solution of Question 2 Return to Question Choices

Return to Question Choices Solve by Substitution: Question 3 Return to Question Choices

Return to Question Choices What property is demonstrated above? Question 4 Return to Question Choices

Return to Question Choices Solve by Elimination: Question 5 Return to Question Choices

Return to Question Choices Equation Steps -6 = 2(x-2) Original Equation -6 = 2x – 4 1) 2) Addition P.O.E. -1 = x 3) x = -1 4) Question 6 Return to Question Choices

Return to Question Choices Solve by Graphing: Question 7 Return to Question Choices

Return to Question Choices Solve using Any Method: Question 8 Return to Question Choices

Return to Question Choices Solve using Any Method: Question 9 Return to Question Choices

Return to Question Choices Solve using Any Method: Question 10 Return to Question Choices

Return to Question Choices Graph the Inequality: Question 11 Return to Question Choices

Return to Question Choices Which point is a solution to the inequality?: Question 12 Return to Question Choices

Return to Question Choices Graph the System of Inequalities: Question 13 Return to Question Choices

Return to Question Choices Last Friday night the Senior Class officers sold slices of pizza for $1.50 and hamburgers for $3.00. If they sold 280 slices and burgers and made $660, how many of each item did they sell? *Set up your system AND Solve* Question 14 Return to Question Choices

Return to Question Choices Martin’s is making Jumbo Biscuits and Mini Biscuits for breakfast. The oven can cook at most 200 biscuits per day. Jumbos require 2 ounces of flour to make and Minis require 1 ounce of flour. There are 300 ounces of flour available. *Write a System of Inequalities for Martin’s Breakfast* Question 15 Return to Question Choices