Quiz Review - Math 8 Lessons 1.2 - 1.4

Perfect Squares

100

√4

2

200

√16

4

300

√144

12

400

√49

7

500

√-25

not possible

Estimate Square Roots

100

√10

3.1

200

√21

4.5/4.6

300

√98

9.8

400

√15

3.9

500

√57

7.6

Perfect Cubes

100

∛8

2

200

∛125

5

300

∛-64

-4

400

∛1728

12

500

∛-729

-9

Solving Equations

100

x² = 36

x = 6, x = -6

200

x² = 81

x = 9, x = -9

300

x² = 121

x = 11, x = -11

400

x³ = -27

x = -3

500

x³ = -1000

x = -10

Ordering Numbers

100

1/2, 0.75, 5/3, -3/2

-3/2, 1/2, 0.75, 5/3

200

3/4, 1.2, 1/10, 0.555...

1/10, 0.5555, 3/4, 1.2

300

10/3, √8, 2 1/2, 3.5 

2 1/2, √8, 10/3, 3.5

400

15/4, √18, 4.9, 4 3/4

15/4, √18, 4 3/4, 4.9

500

-1/2, -0.777..., -1.5, -√4

-√4, -1.5, -0.777..., -1/2