Grade 7 Math Review Finals Term 1

If we were to round 3.38 to 2 significant figures, the number would be ______

• 3.3

• 3.4

• 3.0

• 3.40

What is the correct answer to d x d x 4?

• 4dd

• 4d

• $4d^2$

• 6d

If 3x – 9 = - 24, what is x?

• 5

• -5

• 10

• -10

Factorize 12x-20.

• 4x(3-5)

• 4x(3x-5)

• 4(3x-5)

• 4x(3+5)

3p + 9q – (2p + 4q)

• 5p+5q

• p+5q

• 5p+13q

• p+13q

9x – 4[2(1–3x) – 2(3 – 3x)]

• 9x+16

• 9x-16

• 3x-16

• 3x+16

Factorize 3ac – 9c + 6ab – 18b completely

• (3c+6b)(a-3)

• (3c+3)(6b+a)

• (3c+3)(6b-3)

Factorize: 3rs + rs²

• rs(3+s)

• 3rs(3+s)

• rs(3+1)

Solve:

 $\frac{3\left(5x-6\right)}{4}+2=4x$  

• 5

• 15

• 10

• 12

Adam is 20 years younger than Brian. In two years Brian will be twice as old as Adam. How old are they now?

• Adam 18; Brian 38

• Adam 38; Brian 18

• Adam 28; Brian 48

• Adam 48; Brian 28