Question

The equation: x2=91
has what kind of solution(s) for x ?(1 point)

Two rational, integer solutions

Two irrational solutions

One rational, integer solution

One irrational solution

Answer 1

x^2 = 91 → x = ±√91. Since 91 = 7·13 is not a perfect square, √91 is irrational. Thus there are two irrational solutions.