Expressions and Equations Unit 6 Review

Vocabulary #1

100

This type of math problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers next to a variable (like the 4 in 4t)

Coefficient

400

Another word for the letters used in expressions and equations.

Variable

500

The type of math where numbers and symbols are used to formulate expressions and equations?

Algebra

Vocabulary #2

100

7a + 8

8 is a _____

Constant

200

5x + 8

5 is a _______

Coefficient

300

The v in this equation: 6c +92 = v

Dependent Variable

400

Is this an expression or equation?

2x - 5 = 17

Equation 

500

The c in this equation: 6c +92 = v

Independent Variable

Simplify Expressions

100

Distribute:

3(x+2)

3x + 6

200

Distribute

4(m + 9)

4m + 36

300

Simplify:

9x - 3x  + 2x

8x

400

Simplify:

10x + 7 - 5x

5x + 7

500

Simplify:

9 + 12x - 2 - 7x

5x + 7 

Simplify and Solve

100

Simplify 4b - 2b +10 - 6

2b + 4

200

2 + 10 + 2(15)

42

300

Simplify 10 + 2b + 8b - 6

10b + 4

400

Solve:

4x = 12

x = 3

500

Solve: 

54 = 9x

x = 6

Random

100

The expressions equal to 7³:

a. 21

b. 3⁷

c. 10

d. 7 times 7 times 7  

A and D

200

This expression in two other forms

4³

4 times 4 times 4

64

300

The expressions that have the same value

3³

3⁴

6²

6³

9²

9³

3⁴ and 9²

400

An expression equivalent to t+t+t+t+t+t that is a product of a coefficient and a variable.

6b

500

An expression equivalent to t+t+t+t+t+t that is a sum of two terms.

3t+3t, 2t+4t, 4t+2t, t+5t, 5t+t