Question

Solve the quadratic equation below using square roots.

(x−4)2=25


(1 point)

{−2, 6}



{−29−−√, 29−−√}



{−3, 7}



{−1, 9}

Answer 1

(x − 4)^2 = 25
Take square roots: x − 4 = ±5
So x = 4 ± 5 → x = 9 or x = −1

Answer: {−1, 9}