Unit 1 Test Review

Vocab

100

A letter used to represent an unknown number

What is a variable

200

Change Order

What is the Commutative Property

300

Regroup

What is the Associative Property

400

 A relationship between two quantities

What is a ratio

500

A ratio between two related quantities

What is a rate

Rate

100

A child bought 4 bags of rubber bands to make into bracelets. If there are 80 rubber bands per bag, how many total rubber bands did she buy?

320 rubber bands

200

A car traveling on I-90 travels 84 miles in two hours. What is the cars speed in miles per hour?

42 miles per hour

300

A person driving along the road moves at a rate of 56 miles per hour driven. How far does this person drive in 1.5 hours?

84 miles

400

Mr. Weaver has 32 students in his class. He wishes to place them into 8 groups of equal size. What is the number of students per group?

4 students

500

A person driving along the road moves at a rate of 62 miles per hour driven. How far does the person drive in 2.5 hours?

155 miles

Evaluate

100

4x-7 when x=5

13

200

8-2x when x=-3

14

300

x²-2x-3 when x=4

5

400

(4x-8)/(x-1) when x=0

8

500

(3x-5)/(2(x+1)) when x=4

7/10

Simplify

100

22-2(6)

10

200

(8-5)(5-3)²

12

300

(3x+7)+(2x+8)

5x+15

400

-4x+5-12-7x+4+2x

-9x-3

500

3(x+2)-2(x+1)

x+4

Factor

100

6x+21

3(2x+7)

200

-2x+10

-2(x-5) or 2(-x+5)

300

14x+14

14(x+1)

400

14x+21

7(2x+3)

500

(2x+4)+(3x-14)

2(x+2)+(3x+14)