122k views
4 votes
Is x^2 = 55 irrational or rational

2 Answers

5 votes

Answer

I think its Rational

Explanation:

User Alessandro Muntoni
by
6.1k points
4 votes

Answer:

Irrational

Explanation:

A rational number can be expressed in the form


(a)/(b) where a and b are integers

Given

x² = 55 ( take the square root of both sides )

x = ±
√(55) ← irrational


√(55) cannot be expressed as a rational number

User Amit Hagin
by
5.4k points