Rational vs 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 the number π rational or irrational?

Back

Irrational

Front

Which of the following is a rational number: √8, √16, √50, √75?

Back

√16 (which equals 4) is rational.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but cannot be a fraction or decimal.

Front

Is -3 a rational number?

Back

Yes, -3 is a rational number because it can be expressed as -3/1.

Front

Back

None of these numbers are irrational; they are all rational.

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Back

Front

What is the square root of 36?

Back

6 (which is rational).

Front

What is the square root of 50?

Back