Exam

ISEE Upper Level

Section

Difficulty

Mathematics Achievement

Identifying an Irrational Number

Very Easy Number Operations Irrational Numbers

Below are several numbers:

1. $3$

2. $2.5$

3. $\sqrt{5}$

4. $\f\frac{8}{4}$

Which of these numbers is an irrational number?

A

$3$

B

$2.5$

C

$\sqrt{5}$

D

$\frac{8}{4}$

Hint

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