Exam Review #1

equations

100

3x - 4 = 11

x=5

200

-5x -9 = 36

x= -9

300

x/3 -4 = -3

x= 3

400

-10 = 2y +2

y= -6

500

-6 = (x+3)/2

x= -15

Powers of 10

100

10^{-2 =} 

^{Decimal form}

0.01

200

10³

1000

300

10⁰

1

400

10^-3

^{fraction form}

1/1000

500

10^-4

^{decimal form}

0.0001

Scientific notation

100

589

5.89 x 10²

200

0.000458

4.58 x 10^-4

300

150,000

1.5x10⁵

400

1 billion

1.0x10⁹

500

156 billion

1.56x10¹¹

perfect squares

100

6²

36

200

The square root of 289

17

300

20²

400

400

16²

256

500

18²

324

Inequalities

100

2x > -24

x> -12

200

-5y +2 < -23

y>5

300

10+8x < -70

x < -10

400

56 < +6 -10y

y < -5

500

-10 >  -2 + x/-2

x>16