8th 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

Which of the following is irrational? 0.444444444, -4/5, π, 0.2

Back

π

Front

What two integers does √26 fall between?

Back

5 and 6

Front

What two integers does √98 fall between?

Back

9 and 10

Front

Which value best approximates point R? 18/4, √50.9, √7.13, π²

Back

√50.9

Front

What is the approximate value of 2π?

Back

Approximately 6.28.

Front

Which two tenths does 2π fall between?

Back

6.2 and 6.3

Front

How can you determine if a number is irrational?

Back

A number is irrational if it cannot be expressed as a fraction and its decimal form does not repeat or terminate.

Front

What is the approximate value of √50?

Back

Approximately 7.07.

Front

What is the significance of π in mathematics?

Back

π is a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14.