U4 CW #3: Rational and Irrational Numbers

Front

What are Rational Numbers?

Back

Rational Numbers are numbers that can be expressed as a fraction where both the numerator and denominator are integers. They include integers, fractions, and both terminating and repeating decimals.

Front

What are Irrational Numbers?

Back

Irrational Numbers are numbers that cannot be expressed as a simple fraction. They have non-repeating, non-terminating decimal expansions.

Front

Is 0.5 a Rational Number?

Back

Yes, 0.5 is a Rational Number because it can be expressed as the fraction 1/2.

Front

Is 1/3 a Rational Number?

Back

Yes, 1/3 is a Rational Number because it can be expressed as a fraction.

Front

Is 4π a Rational or Irrational Number?

Back

4π is an Irrational Number because π is an irrational number, and multiplying it by 4 does not make it rational.

Front

What is the square root of 25?

Back

The square root of 25 is 5, which is a Rational Number.

Front

What is the square root of 2?

Back

The square root of 2 is an Irrational Number because it cannot be expressed as a fraction.

Front

Is 0.333... a Rational Number?

Back

Yes, 0.333... is a Rational Number because it can be expressed as the fraction 1/3.

Front

What is an example of an Irrational Number?

Back

An example of an Irrational Number is √3 or π.

Front

Can Rational Numbers be negative?

Back

Yes, Rational Numbers can be negative, such as -1/2 or -3.