Review: The Number System

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and the denominator is not zero.

Front

What is the percent equivalent of 3/4?

Back

75%

Front

Is -6 a rational number?

Back

Yes, -6 is a rational number because it can be expressed as -6/1.

Front

Are all whole numbers rational numbers?

Back

True, all whole numbers are rational numbers because they can be expressed as fractions with a denominator of 1.

Front

What is a terminating decimal?

Back

A terminating decimal is a decimal that has a finite number of digits after the decimal point.

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2, which cannot be expressed as a fraction.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is the decimal equivalent of 1/2?

Back

0.5

Front

Is 0 a rational number?

Back

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