Real Numbers Review

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

Front

Define rational numbers.

Back

Rational numbers are numbers that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

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

What is the square root of a number?

Back

Front

Identify the square root of 36.

Back

Front

What is the perimeter of a square with an area of 9 ft²?

Back

Front

How do you determine if a decimal is rational?

Back

A decimal is rational if it either terminates (ends) or repeats a pattern.

Front

Back

Front

Back

Front

What does it mean for a number to be a perfect square?

Back

A perfect square is an integer that is the square of another integer, such as 1, 4, 9, 16, etc.