1-1 Rational and Irrational Numbers Quiz

What is the definition of rational numbers?

• Numbers that can be expressed as the ratio of two integers

• Numbers that cannot be expressed as a ratio of two integers

• Numbers that are always irrational

• Numbers that are only whole numbers

What is the definition of irrational numbers?

• Real numbers that cannot be expressed as a fraction of two integers and their decimal representation goes on forever without repeating.

• Complex numbers with both real and imaginary parts

• Numbers that have a finite decimal representation

• Whole numbers that can be expressed as a fraction of two integers

Give an example of a rational number.

• √2

• e

• π

• 3/4

Give an example of an irrational number.

• √2

• 3.14

• 100

• 0.5

Are all integers rational numbers? (True/False)

• Not sure

• True

• False

• Maybe

Is the square root of 2 a rational number? (True/False)

• False

• Not sure

• Maybe

• True

What is the decimal representation of the rational number 3/4?

• 0.5

• 0.25

• 1.25

• 0.75

What is the decimal representation of the irrational number pi (π)?

• 4.66920160910299067185...

• 2.71828182845904523536...

• 3.14159265358979323846...

• 1.61803398874989484820...