Solving Equations Review

Math Vocabulary

100

This type of math problem has an equal sign.

Equation

200

Another word for the letters used in expressions and equations.

Variable

300

Another word for numbers used in expressions and equations.

Constant

WILD CARD - BONUS 100 POINTS - IF CORRECT

400

This type of math problem has no equal sign.

Expression

500

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. the '4' in 4x y).

Coefficient

One-Step Equations

100

x - 12 = 0

x= 12

200

4x = 64

x= 16

300

64 = 8x

x= 8

400

5³ = x

x= 125

500

16 = x/2

x= 32

Two-Step Equations

100

3x + 5 = 14

x= 3

200

(x/4) + 4 = 13

x= 36

WILD CARD - BONUS 100 POINTS - IF CORRECT

300

(x/2)-4=10

x= 28

400

6x – 13 = 11

x= 4

500

( x/ 3 ) + 3 = 27

x=72

Multi-Step Equations

100

Solving Equations

4x + 3 = 7

x = 1

200

Solving Equations

4(6 + 5x) = 124

x = 5

300

Solving Equations

72 = 8(x + 6)

x = 3

400

What is the distributed expression?

c(3k - 8) =

3ck-8c

500

Solving Equations

172 = 5(4a + 6) + 2

x = 7

Working with inequalities

100

When graphing an inequality, use this kind of dot do you use for a solution that reads x < 8.

An open (or unfilled) dot

200

Solve the following inequality:

1/2 x > 17

x > 34

300

Use distribution to write an equivalent statement to the one below:

3 (x - 2) < 36

3x - 6 < 36

400

Simplify this inequality through factoring:

4x + 20 > 40

4 (x + 5) > 40

500

Write an inequality for the following situation:

Baby Rhalston sleeps for 4 hours twice a night and had several 2 hr naps during the day. He sleeps more than 14 hours in a 24 period. How many naps does he usually take?

8 + 2x > 14