Algebra I Skill Review Week 5

Which one is a factor pair for 24?

• 6, 4

• 12, 3

• 0, 24

• 3, 7

Is 3 a factor of 42?

• Yes

• No

What is a factor pair of 27? Select all that apply.

• 1 x 27

• 7 x 4

• 3 x 9

• 2 x 17

What are the factor pairs of 20?

Select all that apply.

• 1 x 20

• 2 x 10

• 4 x 5

• 20 x 2

• 10 x 2

Factor: 6x + 9

• 6(x + 3)

• 6(x + 1)

• 3(2x +3)

Factor 81n + 36

• 9(9n -4)

• 81(n-3)

• 9(9n + 4)

What is the opposite of factoring?

(and a way to check your factoring)

• multiplication

• division

• distribution

• calculus

Any even number has a factor of 2.

• True

• False

Any number ending in a 6 is divisible by 10

• True

• False

Any number ending in 0 or 5 has which factor?

• 10

• 5

• 2