Unit 3 Expressions and Equations

1. Unit 3 Expressions and Equations Review Game

2. Please select a Team. 1. 3. • Katniss • Primrose • Peeta • Gale • Haymitch 5. 4. 2.

3. 1. Solve the equation 2(s - 7) = - 30 for the variable s. • 8 • -8 • -11 • 11 Response Grid

4. 2. Simplify: 3r + 11 – 8r • 22r • - 6r • - 5r + 11 • - 11r + 11 Response Grid

5. 3. Tom receives $5.50 for each pound of aluminum he recycles. If he recycles 6 pounds of aluminum in March, 5 in April, and 2 in May, how much money will he make in total? • $75.00 • $33.00 • $27.50 • Answer not given Response Grid

6. Team Scores

7. Participant Scores

8. 4. Factor 6x + 30 to its simplest form: • 2(3x + 15) • 3(2x + 10) • 6(x + 30) • 6(x + 5) Response Grid

9. 5. Solve the equation 6(t + 9) = 78 for the variable t. • 22 • 4 • -22 • -4 Response Grid

10. Team Scores

11. 6. The expression – 4x + (-3) – 7x – 12 can be simplified to: • - 26x • -3x – 9 • -11x -15 • 3x + 15 Response Grid

12. Participant Scores

13. 7. Solve d/5– 8 = 12 for the variable d. • 4 • - 4 • 20 • 100 Response Grid

14. Team Scores

15. 8. 9 – 3(-4 + 2x) can be simplified to: • 21 – 6x • - 3 + 6x • -21 + 6x • Answer not given Response Grid

16. Team Scores

17. What percentage of your current points would you like to wager on the next question? • 0% 25% 50% 75% 100%

18. 9. To solve this equation – 1.3x – 35 = 342 for x, which operation should be performed first? • Multiply both sides by -1.3 • Divide both sides by -1.3 • Subtract 35 from both sides • Add 35 to both sides Response Grid

19. Team Scores

20. 10. Which of the following expressions has the same meaning as “decrease t by 40%”? • 1.40t • 0.40t • 0.60t • 1.60t Response Grid

21. Participant Scores

22. Team Scores

23. 11. Each week Leslie earns $1.25 each time she walks the dog. If Leslie wants to earn $17.50 each week, which equation will determine the number of times Leslie should walk the dog in order to reach her goal of $17.50? • 1.25w = 17.50 • 17.50 – w = 1.25 • 1.25 + w = 17.50 • 1.25w – 17.50 = 0 Response Grid

24. 12. Emily earns $20 per hour. She is getting a 5% raise. Each of the following expressions can be used to calculate Emily’s new hourly wage per hour except: • 20 + 0.05(20) • (1 + .0.5)20 • 0.05(20) + 1 • 1.05(20) Response Grid

25. 13. Hailey earns $750 a week plus $10 for every new insurance policy she sells. If Hailey earned $800 last week, which equation can be used to determine how many insurance policies she sold? • 750p + 10 = 800 • 10p + 750 = 800 • 760 + p = 800 • Answer not given Response Grid

26. 14. Omar bought 8 shirts that each cost $10 and 11 shirts that each cost $25. How much did he spend in total? • $355 • $665 • $54 • Answer not given Response Grid

27. What percentage of your current points would you like to wager on the final question? • 0% 25% 50% 75% 100%

28. 15. Can 6x + 7x + 5 be simplified further? • No, there are no like terms • Yes, and it would equal 18x • Yes, and it would equal 13x + 5 • Answer not given Response Grid

29. Team MVP

30. Participant Scores

31. Team Scores