Rational and Irrational Numbers Flashcard

Front

What is a rational number?

Back

A rational number can be expressed as an integer, a fraction, a decimal that ends (terminates), or a decimal that repeats (positive or negative).

Front

What type of number is π ?

Back

Irrational

Front

Which number is irrational? Options: 9.6, √45, 3/8, 3.4 x 10 ⁵

Back

√45

Front

Which number is a rational number ? Options: 1/4, π, √3, ∛25

Back

1/4

Front

√7

Back

Irrational

Front

√25

Back

Rational

Front

-17.565

Back

Rational

Front

.141414141414...

Back

Rational

Front

The decimal of an irrational number doesn't repeat with a pattern.

Back

true

Front

A perfect square is which type of number?

Back

Rational