Chapter 9 Review

Square Roots

100

Square root of 81

9

200

Square Root of 169

13

300

x² = 144

12 or -12

400

6x² = 726

x = 11 or -11

Cube Roots

100

Cube root of 64

4

200

Cube root of 729

9

300

x³ = 216

6

400

Cube root of -125/343

-5/7

Pythagorean Theorem

100

a = 15 ft

b = 20 ft

c = 25 ft

200

Is it a right triangle?

a = 20ft, b = 21ft, c = 29ft

yes

300

Is it a right triangle?

a = 10mm, b = 24mm, c = 27mm

No

400

Find the missing side length.

a = 7 m

c = 25 m

b = 24 m

500

Find the missing side length.

b = 35 km

c = 37 km

a = 12 km

Rational vs Irrational

100

Are the numbers rational or irrational?

square root of 49 and 59/302

rational, rational

200

Rational or Irrational?

4.98 repeating, square root of 82

rational, irrational

300

Approximate:

square root of 35

5 and 6

400

Approximate:

cube root of 40

3 and 4

Miscellaneous

100

What is the girls soccer record after Saturday's big 11-1 win

4-4; 4 wins 4 losses

200

Write the fraction as a mixed number:

3 57/99

3.57 repeating

300

Find the distance between:

(-3, 4) and (5, -2)

10

400

Find the distance between (15,-17) and (-20, -5)

37

500

Which of these are irrational?

4.010101001, ¾, square root of 169, 2.3 repeating

4.010101001