Algebra I Quiz #7 (5.1-5.3) –Review Name Block/Date Directions: Complete the following, simplify all answers, and show work where appropriate. Good Luck!! Multiple Choice: Circle the best possible answer. 1. What is the solution to the following system: A. (-1, 1) B. (1, -1) C. (-1, 2) 2. What is the solution to the following system: A. (0, -4) B. (-4, 0) C. (1, 1) x 3y 2 x 2y 3 D. (2, -1) 13 x 5 y 8 3x 5 y 8 D. (-1, -1) 3. Solve the system and choose the true statement: A. B. C. D. E. None of these E. None of these 3 x 5 y 8 x 2y 1 The value of x is greater than y The value of y is greater than x The values of x and y are equal None of the above 4. Which ordered pair is a solution to the following system: A. (0, 3) B. (1, 2) C. (2, 1) x 2y 5 2x y 4 D. (3, 0) 5. Which system is represented by the graph: A. C. x y 3 y x 1 x 2 y 2 3x 4 y 2 B. D. 3x 2 y 11 x 6 y 7 x y 3 2x y 6 6. Which linear system has the solution (6, 6)? A. 3x y 4 4x 3y 1 B. 4x 3y 0 2x y 0 C. 4 x 3 y 1 2 x y 3 D. x y 12 3x 2 y 6 7. Your math test is worth 110 points and has 40 problems. Each problem is worth either 5 points or 2 points. How many problems of each point value is on the test? A. 5 points: 10 2 points: 46 B. 5 points: 46 2 points: 30 C. 5 points: 30 2 points: 10 8. Which ordered pair is a solution to the following system: A. (4, 2) B. (10, 4) C. (4, 10) D. 5 points: 10 2 points: 30 4 x y 26 y x6 D. (2, 4) Graph the following system and find it’s solution. (Remember to check your answer!) Hint: Put them in slope-intercept form if they aren’t already. y 2x 1 9. 3 y x6 2 Solution: 11. y x4 4 x y 26 Solution: 10. x y 1 2 x y 2 Solution: Solve the following systems by substitutions. Remember to check your answers!! 12. 14. 8 x 2 y 19 x3 6 y x 18 2y x 6 13. 15. x7 2x y 5 4 x 3 y 13 x y 4 Solve the following systems by elimination. Remember to check your answers!! (4 pts ea) 18. 20. 4 x 3 y 16 2x 3y 8 2 x 3 y 4 4 x 5 y 8 19. 21. 4x 2 y 2 3x 2 y 12 5e 4 f 9 4e 5 f 9 22. m 2n 1 5m 3n 23 23. x y 0 12 x 5 y 21 24. At the zoo, Jay bought 3 slices of vegetable pizza and 1 small lemonade for $5.40. Terri paid $4.80 for 2 slices of vegetable pizza and 2 small lemonades. What was the cost of the lemonade? 25. Your favorite math teacher, Mr. Kalkbrenner, is giving a test worth 150 points. There are 40 threepoint and five-point questions. How many of each are on the test?