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; it cannot be written as a ratio of two integers.

Front

Is pi (π) a rational or irrational number?

Back

Irrational

Front

What is the decimal representation of a rational number?

Back

A rational number can have a terminating or repeating decimal representation.

Front

What is the decimal representation of an irrational number?

Back

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

Front

Which of the following is a rational number: 0.75, √2, π, or 1/3?

Back

0.75 and 1/3 are rational numbers.

Front

What is the square root of 25?

Back

5 (Rational)

Front

What is the square root of 24?

Back

2√6 (Irrational)

Front

Which number is irrational: 9.6, √45, 3/8, or 3.4 x 10⁵?

Back

√45

Front

Is the number 0 a rational number?

Back

Yes, 0 is a rational number because it can be expressed as 0/1.