Duplicate of Algebra Recap

Question 1

Expand3(2x + 3)

Accepted Answer

6x+9

Question 2

Simplify 18b ÷ 6

Accepted Answer

3b

Question 3

Simplify 10 + 2a -3 + 5a

Accepted Answer

7a + 7, 7(a+1)

Question 4

Workout the value of 3p + 2 when p = 5

Accepted Answer

17

Question 5

Simplify 4a x -2b

Accepted Answer

-8ab

Question 6

Simplify 32tz ÷ 4

Accepted Answer

8tz

Question 7

Workout the value of 3x2 + 5 when x = 2

Accepted Answer

17

Question 8

Simplify p2 +p2

Accepted Answer

2p2

Question 9

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

Accepted Answer

23

Question 10

Simplify 4a + 3a + a

Accepted Answer

8a

Question 11

5n + 4 = -11 what is the value of n

Accepted Answer

n=-3

Question 12

Simplify r x r x r

Accepted Answer

r3

Question 13

Simplify x + x – x + x + c + c

Accepted Answer

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

Question 14

7x + 1 = 15 what is the value of x

Accepted Answer

x=2

Question 15

expand (2x+4)(4x-2)

Accepted Answer

8x2 + 8x - 8

Question 16

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 17

Expand 3x(3x – 3)

Accepted Answer

9x2-9x

Question 18

Simplify 3xy + 4xy - xy

Accepted Answer

6xy

Question 19

Simplify 56mp ÷ 8m

Accepted Answer

7p

Question 20

I am thinking of a number I times by 2 and add 5 my answer is 15 What was my starting number?

Accepted Answer

none of the above

Question 21

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

Accepted Answer

29

Questions 21