7th grade review

Chapter 1 and 2

100

What is the absolute value of 2?

2

200

What is the absolute value of -7?

7

300

3(-8)=?

-24

400

(-5)²

25

500

-2*14(-9)

252

Chapter 3 and 4

100

7x+12x

19x

200

2.5x+7.25x

9.75x

300

(x+5)+(2x+2)

3x+7

400

x+225=675

x=450

500

x/5=-8

x=-40

Chapter 9 and 10

100

2*π*3

18.84

200

2*π*12

75.36

300

π*15²

706.5

400

2(3*7)+2(6*5)+2(7*9)

228

500

2(6*5)+2(11*12)+2(9*15)

594

Chapter 5

100

You are trying to make a pizza you use 3 cheese for every pepperoni, how many pepperoni's will there be if you had 15 cheese.

5

200

400$ : 1 OZ, hope much dollars is 7 OZ

2800$

300

85$ : 2 OZ, how many OZs are there if there are 595$

14 OZ

400

Tell whether the ratios form a proportion

6:9   12:18

Yes

500

Tell whether the the ratios form a proportion

63:8    2:5:7

Yes

Chapter 6

100

What is 0.81 as a percent?

81%

200

What is 73% as a decimal in simplest form?

0.73

300

What is 70% of 50?

35

400

What is 170% of 60?

102

500

12 is 54% of 65 

True or False?

False