Unit 3 Review

Review

100

-5+(-16)

-21

200

1/2 + (-18/8)

-14/8 or -7/4

300

3/25 * 5/3

15/75 or 1/5

400

(2+|3-7|²)+7

25

500

1/5 + 2/3*2/5 - 7/15

0

Vocabulary

100

A symbol that represents one or more numbers.

Variable

200

A term that has no variable.

Constant

300

The number multiplied by a variable in a term

Coefficient

400

Terms that have the same variable(s).

Like Terms

500

Two or more expressions that represent the same algebraic expression.

Equivalent Expressions

Distributive Property

100

2(x-3)

2x-6

200

10(5x+3)

50x+30

300

-(9-2x)

-9+2x

400

1/2 (x+4)

1/2 x + 2

500

1/4 ( 2x + 8)

2/4 x + 2 or 1/4 x + 2

Combing Like Terms

100

2x + 3x

5x

200

22x + 1 + 5x

27x + 1

300

2(10x-6) + 1 - 5x

15x - 11

400

(3+5x) - (x+9)

4x - 6 

500

-5(3x+7) - 4 (2x-1)

-23x - 31

Law of Exponents

100

2⁰

1

200

3² * 3⁶

3⁸

300

(17⁵)¹⁰

17⁵⁰

400

234⁰ * 234 * 234⁵

234⁶

500

(17²)³ / 17²

17⁴