Squares and Cubes: Unit 8 Review

Square Numbers

100

14^2

196

200

(-3)^2

9

300

0.4^2

1.6

400

(1/2)^2

1/4

500

15² + 10²

225 + 100 = 325

Square Roots

100

sqrt(25)

5

200

-sqrt(121)

-11

300

sqrt(400)

20

400

sqrt(25/64)

5/8

500

sqrt 0.25

0.5

Cube Numbers

100

3^3

27

200

(-2)^3

-8

300

Solve. 

x^3 = 216

x = 6

400

Solve for x:

x^3 = 50

x = cube root of 50

500

root(3) (1/8)

1/2

Cube Roots

100

root(3)8

2

200

The cube root of 78 falls between what two consecutive numbers?

4-5

300

root(3)(-125)

-5

400

Solve for x:

root(3)x =4

64

500

What is the exact side length of a cube that has a volume of 10 cubic units?

cube root of 10 units

Wildcard

100

Which is greater?

sqrt(8) or root(3)8

Square root of 8 is ~ 2.82

Cube root of 8 is 2

200

If the area of a square is 196 sq cm, what is it's side length? (Draw a picture!)

14 cm

300

If the volume of a cube is 18 cubic cm, what is the side length?

square root of 18

400

sqrt5 * sqrt5

5

500

Between what two numbers does the

sqrt 175

fall between?

Between 13 & 14