review

solve for "X"

100

5x+9=49

8

200

9/x-3=6

81

300

true or false 

5x-8=67

x=13

false 

x=11

400

60x+21=600

9.65

500

true or false 

7x+45=87

x=6

true

absolute value

100

ehat is the absolute value of -7

7

200

what is the absolute value of -72

72

300

what is the absolute value of 27

-27

400

what it th e absolute value of 812

-812

500

what is absolute value?

distanc efrom o is always positive. 

exponents

100

7⁴

7⁴=7*7*7*7=2401

200

5*5*5*5

5⁴

300

3⁸

3*3*3*3*3*3*3*3

400

13*13*13*13*13

13⁵

500

solve 9³

9*9*9=27

adding negatives

100

-2+9

7

200

3-8

-5

300

-13+7

-6

400

-5-20

-25

500

-74+-11

-85

converting fractions, decimals, and percents

100

covert 3/7 into a percent

3/7=0.42=42%

42%

200

 covert 25% into decimal

0.25

300

convert 70/8 into a decimal then a percent

fraction    decimal    percent

70/8         8.75         875%

400

convert 168% into a decimal

1.68

500

covert 45/6 into a decimal

45/6=7.5

7.5