Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask.

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# Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask. - PowerPoint PPT Presentation

Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask. Please select a Team. Team 1 Team 2 Team 3 Team 4 Team 5. Write an algebraic expression for the phrase. 4 times the sum of q and p. 4 q + p 4 + q + p 4 qp 4( q + p ).

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## Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask.

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1. Chapters 1 and 2 ReviewEverything you wanted to know about expressions but were afraid to ask.

2. Please select a Team. • Team 1 • Team 2 • Team 3 • Team 4 • Team 5

3. Write an algebraic expression for the phrase.

4. 4 times the sum of q and p • 4q + p • 4 + q + p • 4qp • 4(q + p)

5. Define a variable and write an expression for the phrase.

6. What equation models the data in the table if d = number of days and c = cost? • d = 22c • c = 22d • c = d + 22d • c = d + 22

7. An equilateral triangle has three sides of equal length. What is the equation for the perimeter of an equilateral triangle if P = perimeter and s = length of a side? • s = 3P • P = 3s • P = 3 + s • P = 3(s + s + s)

8. Team Scores

9. Evaluate u + xy, for u = 18, x = 10, and y = 8. • 188 • 36 • 98 • 224

10. A pair of shoes costs \$52.99 and the state sales tax is 8%. Use the formula C = p + rp to find the total cost of the shoes, where C is the total cost, p is the price, and r is the sales tax rate. • \$95.38 • \$60.99 • \$57.23 • \$78.19

11. When simplifying an expression, you ____ perform operations inside grouping symbols first. • always • sometimes • never

12. Team Scores

13. Evaluate the expression for a = 4 and b = 3. • 36 • 24 • 81 • 144

14. You can use the formula to convert temperature in degrees Fahrenheit, F, to temperature in degrees Celsius, C. What is 62°F in degrees Celsius? Round your answer to the nearest tenth. • 30°C • 16.7°C • 52.2°C • 2.4°C

15. Picture Simplify the expression. • 108 • 36 • 18 • 9

16. Team Scores

17. Picture Simplify the expression. • 29 • 80 • 128 • 92

18. Picture Simplify the expression. • 297 • 868 • 437 • 867

19. Picture Simplify the expression. • 585 • 169 • 26 • 181

20. Team Scores

21. Evaluate the formula for B = 9 in.2 and h = 32 in. • 288 in.3 • 9.6 in.3 • 32 in.3 • 96 in.3

22. A rational number is ____ a real number. • always • sometimes • never

23. Name the set(s) of numbers to which 1.68 belongs. • rational numbers • natural numbers, whole numbers, integers, rational numbers • rational numbers, irrational numbers • none of the above

24. Team Scores

25. Name the set(s) of numbers to which –5 belongs. • whole numbers, natural numbers, integers • rational numbers • whole numbers, integers, rational numbers • integers, rational numbers

26. Which set of numbers is the most reasonable to describe the number of desks in a classroom? • whole numbers • irrational numbers • rational numbers • integers

27. The opposite of a negative number is ____ negative. • always • sometimes • never

28. Team Scores

29. Picture = • 2.8 • –2.8

30. Write a function rule for each table. • p = 7.50h • p = 15h • p = h + 15 • h = 7.50p

31. Write a function rule for each table. • c = 22d + 12 • c = 12d + 22 • c = 22d + 22 • c = 22d

32. The cost of playing pool increases with the amount of time using the table. Identify the independent and dependent quantity in the situation. • time at table; cost • cost; time at table • number of games; cost • cost; number of players

33. Team Scores

34. The french club is holding a car wash fundraiser. They are going to charge \$10 per car, and expect between 50 and 75 cars. Identify the independent and dependent quantity in the situation, and find reasonable domain and range values. • number of cars; money raised; 50 to 75 cars; \$500 to \$750 • money raised; number of cars; \$500 to \$750; 50 to 75 cars • number of cars; money raised; \$500 to \$750; 50 to 75 cars • money raised; number of cars; 50 to 75 cars; \$500 to \$750

35. Simplify the expression. –9 + 6 • 15 • –3 • –15 • 3

36. Simplify the expression. –4.8 – (–4.9) + 5.7 • –4 • –5.8 • 5.8 • –15.4

37. Simplify the expression. Picture • 13 • –13 • 12 • –12

38. Team Scores

39. Simplify the expression. 3.7 – 1.8 – 3.67 + 4.4 – 1.34 • –7.51 • –1.29 • 1.29 • 8.63

40. Simplify the expression. –6.5(–4.9) • –16.25 • –31.85 • –12.25 • 31.85

41. Simplify the expression. Picture • –32 • 16 • –10 • 32

42. Team Scores

43. Simplify the expression. Picture • 20 • 125 • –625 • 625

44. Simplify the expression. Picture • 36 • –72 • 72 • –36

45. Simplify the expression. (–5 – c)(–1) • –5 + c • 5 + c • 5 – c • –5 – c

46. Team Scores

47. Simplify the expression. Picture • –18n + 81mn – 153np • –2n + 9m – 17p • –2n + 9mn – 17np • –2n – 9mn + 17np

48. A mountain climber ascends a mountain to its peak. The peak is 12,740 ft above sea level. The climber then descends 200 ft to meet a fellow climber. Find the climber’s elevation above sea level after meeting the other climber. • 12,540 ft • –12,540 ft • 10,740 ft • 12,940 ft

49. Simplify the expression. Evaluate –x + 2.7 for x = 0.9. • –1.8 • –3.6 • 1.8 • 3.6

50. Team Scores