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1st YR Algebra Substitution

Total questions: 10

Worksheet time: 23mins

Name
Class
Date
1.

If a=2 and b=4. Find the value of

2a + 4b

a)

46

b)

66

c)

20

d)

-12

2.

If a=2 and b=4. Find the value of

b - 2a

a)

0

b)

18

c)

2

d)

6

3.

If a=2 and b=4. Find the value 3(2a + b)

a)

22

b)

21

c)

72

d)

24

4.

If x=4 and y=3. Find the value 3x - 2y

a)

8

b)

6

c)

9

d)

7

5.

If x=4 and y=3. Find the value 3x + y(2x + y)

a)

40

b)

52

c)

45

d)

115

6.

If x=4 and y=3. Find the value 3xy - x

a)

42

b)

33

c)

22

d)

16

7.

If x=4, y=3 and z=2. Find the value 2x - y + 3z

a)

10

b)

18

c)

6

d)

11

8.

If x=4, y=3 and z=2. Find the value 3yz + 2x( x - z )

a)

14

b)

34

c)

32

d)

10

9.

One of the options is incorrect. Select the 3 correct options.

a)

3

b)

17

c)

7

d)

15

10.

Select the 2 correct answers

a)

8

b)

16

c)

17

d)

35