Lesson 25 Flashcard: Approximate Irrational Numbers

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.

Front

What is 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

What is the approximate value of √9?

Back

3

Front

What is the approximate value of √16?

Back

4

Front

What is the approximate value of √25?

Back

5

Front

What is the approximate value of √36?

Back

6

Front

What is the approximate value of √49?

Back

7

Front

What is the approximate value of √64?

Back

8

Front

What is the approximate value of √81?

Back

9

Front

What is the approximate value of √100?

Back

10