Question

Up to this point, the only types of numbers you've seen have been rational numbers. You can write any rational number as a fraction. The prefix ir- means not. What do you think it means for a number to be irrational? Can you think of any numbers that are irrational?

Answer 1

A number that is irrational are numbers that cannot be expressed as a terminating or repeating decimals.

An example of an irrational number is pie because it is a infinite number

Answer 2

since 'rational' numbers can be written as a ratio, such as a/b, then 'irrational' numbers cannot be written that way.

Explanation:

since 'rational' numbers can be written as a ratio, such as a/b, then 'irrational' numbers cannot be written that way.

Square roots of non-perfect squares are irrational numbers because they are non-terminating, non-repeating decimals.