Evaluate 2z + 7 for z = 6.

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Transcript Evaluate 2z + 7 for z = 6.

1. Evaluate 2z + 7 for z = 4. a) b) c) d)

12 15 19 26

2. Evaluate 3a – 5 + b for a=3 and b=2.

a) b) c) d)

2 6 8 12

3. Evaluate 5(3g +7m) for g=4 and m=9.

a) b) c) d)

65 75 123 375

4. Translate “3 plus the product of 2 and q” into an algebraic expression.

a) b) c) d)

3(2q) 3 + (q +2) 3(2 + q) 2q + 3

5. Which word phrase can be represented by the algebraic expression q -9?

2 a) half the value of nine subtracted from q b) negative nine-halves c) q nine fewer than half of d) q minus nine-halves

6. Write the integers 4, -9, -3 in order from least to greatest. a) b) c) d)

-9, -3, 4 -3, -9, 4 -3, 4, -9 4, -3, -9

8. Evaluate the expression. |-13| |-16|.

a) b) c) d)

-29 -3 3 29

9. Your bank account has $74 in it right now. You write checks for $17 and $12. Then you make a deposit of $36. How much is in the account after these transactions?

a) b) c) d)

$7 $45 $67 $81

10. Evaluate h + (-7) for h=-3.

a) b) c) d)

4 -4 -10 -21

7. Evaluate the expression. |-12| + |5|.

a) b) c) d)

-17 -7 7 17

11. Evaluate the expression 5 + (-6) a.

b.

c.

d.

-11 -1 1 11

12. In Boston, Massachusetts, on a day in September, the temperature increased 18◦ degrees F over the course of the day. If the highest temperature was 84◦ F, what was the lowest temperature?

a) b) c) d) 18◦ F 48◦ F 66◦ F 102◦ F

13. Evaluate the expression -7 – (-9) a.

b.

c.

d.

-16 -2 2 16

14. Evaluate 30 -5 a.

b.

c.

d.

-150 -6 -3 150

15. Evaluate

[(-3)(2)(-5)(-7 )]÷[(-7)(-6)]

a.

-35 b.

-5 c.

d.

35 5

16. At noon a hiker started to walk toward a cabin. After walking 2km he was 6km from the cabin. Which equation can be used to find x, the distance the hiker was from the cabin at noon?

a.

b.

c.

d.

2x=6 X-2=6 6-x-2=0 x=2(6)

17. Solve 18=3x+6-x+2 a.

b.

c.

d.

-12 -5 12 5

18. Solve q+27=81 a.

b.

c.

d.

3 54 64 108

19. Solve d = -7 -14 a.

b.

c.

d.

-98 -2 _ 1 98 2

20. Amir is 12 years old. He is one-third his father’s age. How old is Amir’s father?

a.

b.

c.

d.

4 15 36 42

21. Solve -7g=-63-28 a.

b.

c.

d.

g=-13 g=-11 g=13 g=81

22. Solve a + 3 ≥ 2 a.

b.

c.

d.

a≤-1 a≥-1 a≥1 a≥5

23. Solve a – 6 ≥-1 a.

b.

c.

d.

a≤5 a≥-5 a≤-5 a≥5

24. Solve 1 < a – 3 a.

b.

a < 4 a > -1 3 c. a > -2 d. a > 4

25. Which choice represents “4 times the sum of x and 8”?

a.

b.

c.

d.

4(x + 8) 4(x – 8) 4x + 8 4 ÷ (x + 8)

26. Which value for k is a solution to the equation k – 3.5 = 12 a.

b.

c.

d.

k = 8.5

k = 15.5

k = 42 k = 47

27. Which phrase can be translated into the expression 2x – 6?

a.

b.

c.

d.

Six more than twice a number The sum of twice a number and six Twice the difference of a number and six Six less than twice a number

28. Which expression has a value of 12 when x=2, y=3 and z=1?

a.

b.

c.

d.

3xyz 2x+3y+z 3xz+2y 4xyz+2

29. The phrase “10 less than 4 times a number” can be represented by which expression a.

b.

c.

d.

10 – 4x 4x – 10 10 + 4x 10x – 4

30. A copy center prints c copies at $0.10 per copy. What is the total cost of the copies?

a.

b.

c.

d.

0.10c

0.10 + c 0.10

c _c_ 0.10

31. Carlos owes his mother money. His paycheck is $105. If he pays her the money he owes, he will have $63 left. Which equation represents the situation?

a.

b.

c.

d.

–x + 63 = 105 x – 63 = 105 105 – x = 63 x – 105 = 63

32. To ride a roller coaster, a person must be at least 48 inches tall. Which inequality represents this requirement?

a.

b.

c.

d.

h<48 h>48 h≤48 h≥48

33. Which equation has the solution x = 16?

a. x – 16 = 4 b. x = 32 2 c. 2x = 32 d. x + 2 = 16

34. A scuba diver swimming at a depth of 35 feet below sea level, or -35ft, dives another 15ft to get a closer look at a fish. What is his new depth?

a.

b.

c.

d.

-50ft -20ft 20ft 50ft

35. Which set of numbers is in order from least to greatest?

a.

b.

c.

d.

-15, 13, -10 13, -10, -15 -10, -15, 13 -15, -10, 13

36. What is the value of the expression 2xy – y when x = 3 and y = 5?

a.

b.

c.

d.

1 10 5 25

37. What is the solution to the equation x – 27= -16?

a.

b.

c.

d.

-43 -11 11 43

38. Evaluate the expression m + 11 - (-3) for m = 5 a.

b.

c.

d.

-9 9 3 19

39. Patricia works twice as many days as Laura each month. Laura works 3 days more than Jaime. If Jaime works 10 days each month, how many days does Patricia work?

a.

b.

c.

d.

6 10 20 26

40. Simplify the fraction -104 320 a.

-13 40 b. -26 80 c.

13 40 d.

13 80