Revision for Mastery Test

Question 1

How many terms are there in the expression

12x + 2y -2xy + 7

Answer 1

4

Question 2

What is the coefficient of xy in the expression

12x + 2y -2xy + 7

Answer 2

-2

Question 3

What is the constant term in the expression

12x + 2y -2xy - 8

Answer 3

-8

Question 4

What is the coefficient of of y in the expression

6x + y - 9

Answer 4

1

Question 5

Simplify fully: 9y + 12y

Answer 5

21y

Question 6

Simplify fully: 2m + 4m - m

Answer 6

5m

Question 7

Simplify fully: 4y - y - 4

Answer 7

3y - 4

Question 8

Simplify fully: 2y - y

Answer 8

y

Question 9

Simplify fully: 4n + 13y + 2n + 5y

Answer 9

6n + 18y

Question 10

Simplify fully: 3y + 13n + 7y - 4

Answer 10

10y + 13n - 4

Question 11

Simplify fully: 13y - 5 - y - 12

Answer 11

12y - 17

Question 12

Simplify fully: x - y - 7x - 2y

Answer 12

-6x - 3y

Question 13

Simplify fully: 4x - 7x

Answer 13

-3x

Question 14

Simplify fully: c x a x b

Answer 14

abc

Question 15

Simplify fully:

c x c x c x c x c

Answer 15

c⁵

Question 16

Simplify fully:

5m x 4n

Answer 16

20mn

Question 17

Simplify fully:

7m³y² x 4my²

Answer 17

28m⁴y⁴

Question 18

Simplify fully:

8k³ x 8k² x k

Answer 18

64k⁶

Question 19

Simplify fully:

12bc ÷ 6b

Answer 19

2c

Question 20

Excellence

Simplify fully:

3a²b ÷ 6ab

Answer 20

a/2

Question 21

Solve the equation to find g:

g - 4 = 20

Answer 21

g = 24

Question 22

Solve the equation to find g:

5g = 75

Answer 22

g = 15

Question 23

Expand and simplify:

3(c + 9)

Answer 23

3c + 27

Question 24

Solve the equation to find n:

(show all steps)

3n + 6 = 36

Answer 24

3n + 6 = 36

3n = 30

n = 10

Question 25

Solve the equation to find n: (show all steps) 7n - 5 = 23

Answer 25

7n - 5 = 23 7n = 28 n = 4

Question 26

Solve the equation to find y: (show all steps) y/3 - 2 = 10

Answer 26

y/3 - 2 = 10 y/3 = 12 y = 36

Question 27

Solve the equation to find n: (show all steps) 9y/3 - 2 = 10

Answer 27

9y/3 - 2 = 10 9y/3 = 12 9y = 36 y = 4

Question 28

Write an algebra expression for the following: A number plus 8

Answer 28

n + 8

Question 29

Write an algebra expression for the following: five times a number

Answer 29

5n

Question 30

Write an algebra expression for the following: A number minus 8

Answer 30

n - 8

Question 31

Write an algebra expression for the following: A third of a number plus 4

Answer 31

n/3 + 4

Question 32

Write an algebra equation and solve it to find the number: Eight times a number plus 3 equals sixty seven.

Answer 32

Let the num,ber be n 8n + 3 = 67 8n = 64 n = 8 The number is 8

Question 33

Excellence: A rectangle has a perimeter of 52cm. The length of the rectangle is 4b and the width of the rectangle is b + 6. Find the value of b

Answer 33

4b + 4b + b + 6 + b + 6 = 52 10b + 12 = 52 10b = 40 b = 4cm

Question 34

Excellence: A square has a perimeter of 48mm. The length of a side is 2y + 4. Find y

Answer 34

2y + 4 + 2y + 4 + 2y + 4 + 2y + 4 = 48 8y + 16 = 48 8y = 32 y = 4mm

Question 35

You have finished studying for your Mastery Test!

Answer 35

Well done :)