Consider the following expressions: 1. $2 + ext{sqrt}(2)$ 2. $3 + rac{1}{2}$ 3. $4 imes ext{sqrt}(3)$ 4. $5 - 2.6$ Which of these expressions results in an irrational number?

Exam

ISEE Upper Level

Section

Difficulty

Mathematics Achievement

Identifying Irrational Expressions

Hard Number Operations Irrational Numbers

Consider the following expressions:

Which of these expressions results in an irrational number?

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

2. $3 + rac{1}{2}$

3. $4 imes ext{sqrt}(3)$

4. $5 - 2.6$

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