Quiz about Substitution in Algebra

Question 1

If x = 5, find the value of 7x-1.

Accepted Answer

34

Answer

36

Answer

35

Answer

37

Question 2

If s = 3 & t = 9, what is 2t - 3s?

Accepted Answer

9

Answer

8

Answer

10

Answer

11

Question 3

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

Accepted Answer

6

Answer

5

Answer

8

Answer

10

Question 4

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
3ab

Accepted Answer

36

Answer

10

Answer

12

Answer

15

Question 5

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
a + b

Accepted Answer

7

Answer

8

Answer

9

Answer

6

Question 6

If x=5,find the value of 7x-1

Accepted Answer

34

Answer

36

Answer

35

Question 7

If y=4,find the value of 3y+5

Accepted Answer

17

Answer

27

Answer

12

Question 8

when n= 8, 10 + 3n is,

Accepted Answer

34

Answer

48

Answer

24

Answer

38

Question 9

If x = 3,

calculate x + 3

Accepted Answer

6

Answer

3x

Answer

6x

Answer

3

Question 10

if x = 4,

calculate 2x + 5

Accepted Answer

13

Answer

9

Answer

13x

Answer

8x + 5

Question 11

let x = 4 and y = 7,

Calculate x + 2y

Accepted Answer

18

Answer

15

Answer

4 + 14y

Answer

x + 14

Question 12

$$\left(x-y\right)^2$$ use x=2 and y=1

Accepted Answer

1

Answer

3

Answer

6

Answer

0

Question 13

let x = 6 and y = 3,

calculate 3x - 4y

Accepted Answer

6

Answer

18x - 12y

Answer

6(x - y)

Answer

12

Question 14

What is the value of 7a + 3 if a = -2?

Accepted Answer

-11

Answer

11

Answer

10

Answer

-10

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