Module 5 Real Numbers

Perfect Cube

• A number that is divisible by 2.

• A number whose cube root is an integer.

• The principle square root.

Is 8.27 rational or irrational?

• Rational

• Irrational

• Both

• None of the above

A repeating decimal is what type of number?

• Rational 

• Irrational

Is √2 Irrational?

• Yes

• No

The square root of 57 is ...

• rational 

• irrational 

Which of the following contains only rational numbers?

• 2.5, .764567..., 1/2, √27

• π, √4, √16, 7.7

• 6.7, 4.45, -3, 

• 5, -4.5, √13, √-9

The number is a/an...

• Rational Number

• Irrational Number

• Integer

• Whole Number

The number is a/an...

• Rational Number

• Irrational Number

• Integer

• Whole Number

List the following numbers from least to greatest:

• -64 , 3.5 , √27 , 6.666...

• 3.5 , √27 , 6.666..., -64

• 3.5, -64, √27, 6.666...

• 6.666, √27, -64, 3.5

Order 10.5, √105 , and 3π + 1 from least to greatest.

• √ 105 , 3π + 1, 10.5

• 3π + 1,√ 105 , 10.5

• √ 105 , 10.5, 3π + 1

• 10.5, √ 105 , 3π + 1