Approximate Irrational Numbers

Front

What are irrational numbers?

Back

Irrational numbers are numbers that never end and never repeat.

Front

Which of the following is an example of an irrational number?

Back

π (pi) is an example of an irrational number.

Front

What is the approximate value of √40?

Back

√40 is between 6 and 7.

Front

Is √4 a rational or irrational number?

Back

√4 is a rational number.

Front

Is √7 a rational or irrational number?

Back

√7 is an irrational number.

Front

What is the definition of a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

Can an irrational number be a perfect square?

Back

No, irrational numbers cannot be perfect squares.

Front

What is an example of a rational number?

Back

-4/5 is an example of a rational number.

Front

What is the decimal representation of an irrational number like π?

Back

The decimal representation of π is approximately 3.14159 and continues infinitely without repeating.

Front

How can you determine if a number is rational or irrational?

Back

If a number can be expressed as a fraction of two integers, it is rational; otherwise, it is irrational.