Jeopardy!

Expressions

100

89 + 32

121

200

1a + 6b + 7c + 8d + 4a

5a + 6b + 7c + 8d

300

2xy + 9xy² + 7xy - 9

9xy + 9xy² - 9

400

2(r + 8) - 3r - 16

-r

500

2(y - 9) + 20 + y

3y + 2

Equations

100

x + 20 = 14

x = -6

200

15x = 60

x = 4

300

3(2x + 10) = 90

x = 30

400

5(x - 1) = 2x + 28

x = 11

500

3(x + 2) = -2(x - 28)

x = 10

Inequalities

100

Give an answer in the solution set for this inequality:

x > 99

100, 101, 102, 103.....

Anything GREATER THAN 99

200

Simplify:

x + 9 < 12

x < 3

300

Simplify:

2x + 9 < 4x - 1

x > 5

400

What is the difference between the answers to equations and the answers to inequalities?

Equations have ONE answer, Inequalities have MANY answers

500

-3(x + 2) < 7x + 94

x > -10

Vocabulary

100

What we use to represent an unknown number

Variable

200

Two terms that can be combined into one term

Like-Terms

300

What we multiply a fraction by to CANCEL the fraction

Reciprocal

400

In an arithmetic sequence, this number is how much the next term increases or decreases by

Common Difference

500

The little number to the bottom right of a variable

Ex: a₁

Subscript