Question

1. Which of the following is an example of an irrational value?

a .52 *repeat*
b.12.14
c.2√8
d.-12÷2 *fraction*

Answer 1

9514 1404 393

Answer:

c. 2√8

Explanation:

8 is not a perfect square, so √8 is irrational.

Fractions, terminating decimals, and repeating decimals are all rational numbers.

0.52...(repeating) = 52/99, a rational number.