Rational and Irrational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

Is 4.032 a rational or irrational number?

Back

Rational

Front

What type of number is a repeating decimal?

Back

Rational

Front

What characterizes irrational numbers?

Back

Irrational numbers never end and never repeat.

Front

Is -17.5 a rational or irrational number?

Back

Rational

Front

Back

Rational

Front

Give an example of an irrational number.

Back

Front

Can a perfect square be an irrational number?

Back

No, perfect squares are rational numbers because they can be expressed as the square of an integer.

Front

What is the decimal representation of a rational number like 1/4?

Back

0.25, which terminates.