Chapter 1 Test - Accelerated Review

Fractions, Decimals, and Percents (oh my!)

100

Change the fraction into a decimal: 1/6

0.16(with the 6 repeating)

200

Change the decimal into a fraction: 0.76 (both numbers repeating)

76/99

300

Change the percent into a decimal: 125%

1.25

400

Change the fraction into a percent: 1/3

33.3(repeating)%

500

Change the percent into a fraction: 40%

2/5

Multi-Step Equations 1

100

2x-5=13

x=9

200

3x+6x+7=70

x=9

300

20-3.8x=-14-5.8x

x=3

400

9n-6 = 5n+18

n=6

500

-3x-4(4x-8) = 3(-8x-1)

x=-7

Multi-Step Equations 2

100

2(x+5) = 8

x=-1

200

3(x+2)+9x = 4

x=-1/6

300

1/2(6x+8) = 6x+10

x=-2

400

3(x+1)=5+x

x=1

500

2(x+2)-5 = 3(x+1)

x=-4

How many solutions?

100

2x-5=15

one solution (x=10)

200

2x+15 = 2x+16

no solution (15=16)

300

3(2x-4) = 2(3x-6)

infinitely many solutions (-12 = -12)

400

-1/2(6x+7) = -5-3x

no solution (-3.5 = -5)

500

-1/2(12x+10) = -5-6x

infinitely many solutions (-5 = -5)

Two-Step Inequalities

100

3x-2<=13

x <=5

closed dot, arrow toward 0

200

2n+8>12

n>2

open dot, arrow away from 0

300

(x/-3)+2>8

x<-18

open dot, arrow away from 0

400

3(4x+3)<=13

x<=1

closed dot, arrow toward 0

500

-4(x-3)>=8

x<=1

closed dot, arrow toward 0