Answer:
Irrational
Step-by-step explanation:
A rational number can be expressed in the form
[tex]\frac{a}{b}[/tex] where a and b are integers
Given
x² = 55 ( take the square root of both sides )
x = ± [tex]\sqrt{55}[/tex] ← irrational
[tex]\sqrt{55}[/tex] cannot be expressed as a rational number
