Duplicate of Algebra Revision

Question 1

Expand 3(2x + 3)

Accepted Answer

6x+9

Question 2

Simplify 6b + 2b – 3b

Accepted Answer

5b

Question 3

Simplify 56mp ÷ 8m

Accepted Answer

7mp

Question 4

I thought of a number. I multiply it by 2 and add 5. My answer is 15 What's my starting number?

Accepted Answer

none of the above

Question 5

Solve 10n + 2 = 7n + 14

Accepted Answer

4

Question 6

Simplify p2 +p2

Accepted Answer

2p2

Question 7

Expand 5(3m + 4)

Accepted Answer

15m+20

Question 8

Factorise 6x + 9

Accepted Answer

3(2x+3)

Question 9

Work out the value of 3p + 2 when p = 5

Accepted Answer

17

Question 10

Work out the value of 3g2 when g = 4

Accepted Answer

48

Question 11

Expand 3(3x – 3)

Accepted Answer

9x-9

Question 12

Factorise 20y - 12

Accepted Answer

4(5y-3)

Question 13

Factorise 5x + xy

Accepted Answer

x(5+y)

Question 14

Factorise a + 9a²

Accepted Answer

a(1+9a)

Question 15

Work out the value of 8d + 3 when d =3

Accepted Answer

27

Question 16

Solve 5n + 4 = -11

Accepted Answer

n=-3

Question 17

Solve 7x + 1 = 15

Accepted Answer

x=2

Question 18

I'm thinking of a number. I multiply it by 3 and subtract 5. My answer is 4. What's the number?

Accepted Answer

3

Question 19

Solve 7n - 3 = 4n + 12

Accepted Answer

5

Question 20

I'm thinking of a number, I divide it by 3 and subtract 5. My answer is 0. What's my number?

Accepted Answer

15

Question 21

Simplify 18b ÷ 6

Accepted Answer

3b

Question 22

Simplify x + x – x + x + c + c

Accepted Answer

2(x+c), 2x+2c

Question 23

Solve 3n + 4 = 19

Accepted Answer

n=5

Question 24

Simplify 4a + 3a + a

Accepted Answer

8a

Question 25

Simplify r x r x r

Accepted Answer

r3

Question 26

Solve 3n - 2 = -5

Accepted Answer

n=-1

Question 27

Work out the value of 3x2 + 5 when x = 2

Accepted Answer

17

Question 28

Work out the value of 5a2 + 2b when a = 1 and b = 9

Accepted Answer

23

Question 29

Simplify c+c+d+c

Accepted Answer

d+3c, 3c+d

Question 30

Simplify 10 + 2a -3 + 5a

Accepted Answer

7(a+1), 7a + 7

Question 31

Expand 4(x +2)

Accepted Answer

4x+8

Question 32

Solve 4n - 3 = 25

Accepted Answer

n=7

Question 33

Work out the value of 2a + 3b when a = 4 and b = 7

Accepted Answer

29

Question 34

Simplify 32tz ÷ 4

Accepted Answer

8tz

Question 35

Simplify 3xy + 4xy - xy

Accepted Answer

6xy

Question 36

Solve 7n + 3 = 3n + 27

Accepted Answer

n=7.5

Duplicate of Algebra Revision

Questions 36

Duplicate of Algebra Revision

Questions 36