U4 CW #3: 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; its decimal representation goes on forever without repeating.

Front

Is √2 a rational or irrational number?

Back

Irrational

Front

Simplify √45.

Back

3√5

Front

Simplify √24.

Back

2√6

Front

Which of the following is irrational: 9.6, √45, 3/8, 3.4 x 10⁵?

Back

√45

Front

What is the decimal representation of a rational number?

Back

A rational number can be expressed as a terminating or repeating decimal.

Front

What is the decimal representation of an irrational number?

Back

An irrational number has a non-terminating, non-repeating decimal representation.

Front

Is .141414141414... a rational or irrational number?

Back

Rational

Front

What is the square root of 9?

Back

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