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Evaluating Expressions

Total questions: 10

Worksheet time: 58mins

Name
Class
Date
1.

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

a)

71

b)

1

c)

-1

d)

-71

2.

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

a)

88

b)

40

c)

-8

d)

-24

3.

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

a)

8

b)

28

c)

48

d)

-12

4.

-7w2 + 2w if w = -4

a)

104

b)

-64

c)

-120

d)

120

5.

½(10p - 7q) if p = 9 and q = 2

a)

31

b)

38

c)

52

d)

152

6.

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

a)

-40

b)

56

c)

54

d)

-64

7.

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

a)

9

b)

-18

c)

18

d)

-9

8.
a)
18
b)
-18
c)
27
d)
-27
9.
a2-b2Evaluate if a=4 and b =-2
a)
4
b)
20
c)
-4
d)
12
10.
2x + 5(y - 1) when x=8 and y=5
a)
20
b)
31
c)
36
d)
-4