Question

Which number is an irrational number?

a.3.5 eliminate
b. 36
c. 48
d. 37 100?

Answer 1

c. 48

Explanation:

A, B and D can be written as a fraction.

A. 3.5 = 3 1 / 2B. square root of 36 = 6 = 6 / 1D. 37 / 100 is already a fraction.

Hence, the only number that cannot be written as a fraction is the square root of 48.

The answer is C: the square root of 48 is an irrational number.