Review Quiz Unit 8 Rational vs Irrational

Define whole numbers:

• Whole numbers start from 1 and up (counting numbers).

• A whole number has no decimal or fractional part and starts with zero.

• All positive and negative integers, fractions and decimal numbers.

• Positive or negative, large or small, whole numbers, fractions or decimal numbers.

√121

• 12
• 10
• 11
• 3

√256

• 14
• 16
• 13
• 17

√289

• 15
• 17
• 14
• 13

√324

• 17
• 18
• 13
• 14

What is the cube root of 125?

• 5
• -5
• 25
• -25

What is the cube root of 1000?

• 10
• 100
• 500
• 20

What is the cube root of 64?

• 2
• 4
• 8
• 16

The area of a square painting is 81 cm².  What is the side length of the painting?

• 40.5 cm
• 162 cm
• 6,561 cm
• 9 cm

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325