Exam

ISEE Upper Level

Section

Difficulty

Mathematics Achievement

Identifying Irrational Numbers

Medium Number Operations Irrational Numbers

Consider the following numbers:

1. $$rac{1}{ ext{sqrt}(2)}$$

2. $$ ext{sqrt}(3)$$

3. $$rac{4}{ ext{sqrt}(5)}$$

4. $$5$$

Which of these numbers is irrational?

A

1. $$\frac{1}{\text{sqrt}(2)}$$

B

2. $$\text{sqrt}(3)$$

C

3. $$\frac{4}{\text{sqrt}(5)}$$

D

4. $$5$$

Hint

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