Real Number System

π or PI is classified as which?

• Rational only

• Irrational only

• Rational, Real

• Irrational, Real

Classify the following number:

1.01276894...

• Rational

• Irrational

What type of number is -3

• whole number

• integer and rational

• rational only

• integer only

A repeating decimal or decimal that terminates is called a 

• Natural Number
• Irrational Number
• Rational Number
• Whole Number

All whole numbers are also rational numbers

• True
• False

What are all names for -7?

• rational, real

• irrational, real

• rational only

• irrational only

What type if number is  $\sqrt{2}$  ?

• Integer

• Rational Number

• Irrational Number

• Whole Number

What type of number is  $3.\overline{5}$  ?

• Integer

• Rational Number

• Irrational Number

• Natural Number

How can you tell if a number is rational?

• it has a positive value

• it can be written as a ratio of two integers (a fraction)

• it has a negative value

• it has a $\pi$ symbol

An example of an integer is...

• 9.1
• 8/9
• -9
• -2.3