Math 7 CH3 Cumulative Review

Factoring

100

Factor the GCF from -5x + 40

-5(x - 8)

200

Factor the GCF from 28x - 36

4(7x - 9)

300

Factor the GCF from -200x - 100 

-100(2x + 1)

Simplify

100

Write 2⁵ in standard form

32

200

Simplify 5 + | -3 | x 4

17

300

Solve 45 ÷ (-9)

-5

Number Sets

100

Identify the set(s) to which -5 belongs.

Z (integers), N (natural), W (whole), Q (rational), Q' (irrational)

Z, Q

200

Identify the set(s) to which 3.12 belongs.

Z (integers), N (natural), W (whole), Q (rational), Q' (irrational)

Q

300

Identify the set(s) to which the square root of 2 belongs.

Z (integers), N (natural), W (whole), Q (rational), Q' (irrational)

Q'

Distributing

100

Distribute 4(x+9) (simplify as much as you can)

4x + 36

200

Distribute 4y(3 + 9) (simplify as much as you can)

12y + 36y = 48y

300

Distribute -8(6x - 5)

-48x + 40

Most Missed on Test

100

Write the word phrase as an algebraic expression:
11 less than 3/5 ok k

3/5k - 11

200

Use Distributive Property to fill in the blanks:

5(___ + ___) = 5x + 25y

x , 5y

300

Factor the GCF from each expression:

Factor 0.3 from 0.3x - 21

0.3(x - 0.7)