Chapter 7 - Rational or Irrational

Perfect Square and Cube Roots

100

√9

3

200

√49

7

300

√121

11

400

Cube root of 27

3

500

Cube root of 343

7

Simplifying Square and Cube Roots

100

√8

2√ 2

200

√75

5√ 3

300

√147

7√ 3

400

Cube root of 24

2 * Cube root of 3

500

Cube root of 108

3 * Cube root of 4

Solving Square/Cube Root Equations

100

d² =21

d = ± √ 21

200

a=(√ 186.7)²

a=186.7

300

-9+a²=5

a=± √ 14

400

-20=m³+7

m=-3

500

x³=40

x=2 * Cube root of 5

Rational or Irrational

100

√12

Irrational

200

.84375

Rational

300

.515115111511115...

Irrational

400

.765376537653...

Rational

500

√46 

Irrational 

Fractions and Decimals

100

3/8

.375

200

31/60

.516 (6 is repeating) 

300

.61 (1 is responding) 

11/18

400

.125

1/8

500

.06 repeating 

2/33