 Evaluating Expressions
a year ago
kthomas_78179
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Practice 15 QuestionsShow answers
• Question 1
300 seconds
Q.

5m + 9n if m = -7 and n = 4

71

1

-1

-71

• Question 2
300 seconds
Q.

x2 - xy if x = 8 and y = -3

88

40

-8

-24

• Question 3
300 seconds
Q.

(18 - ab) + 4b if a = -2 and b = -5

8

28

48

-12

• Question 4
300 seconds
Q.

-7w2 + 2w if w = -4

104

-64

-120

120

• Question 5
300 seconds
Q.

½(10p - 7q) if p = 9 and q = 2

31

38

52

152

• Question 6
300 seconds
Q.

12x ÷ 4y if x = -8 and y = 3

-8

72

-72

8

• Question 7
300 seconds
Q.

k4 - 7k2 if k = 3

-9

-51

60

18

• Question 8
300 seconds
Q.

10c - cd + d3 if c = -6 and d = 2

-40

56

54

-64

• Question 9
300 seconds
Q.

(12xy)/(x - y) if x = 3 and y = -1

9

-18

18

-9

• Question 10
300 seconds
Q.

(20ab) ÷ (a-b)2 if a = 4 and b = -2

40/3

40

-40/9

-13

• Question 11
120 seconds
Q.

Eighteen less than a number

x - 18

18 - x

x ÷ 18

x + 18

• Question 12
120 seconds
Q.

triple a number

x + 3

x - 3

3x

3 ÷ x

• Question 13
180 seconds
Q.

Sixteen more than the quotient of a number and 2

16 (2x)

(2 ÷ x) + 16

16 + 2x

(x ÷ 2) + 16

• Question 14
300 seconds
Q.

29 - 1 + 62

40

66

64

42

• Question 15
300 seconds
Q.

8(9) - (2 + 4)3