Question

Solve the following quadratic equation using square roots: (x−18)2=196
.(1 point)
Responses

​ {−4,−32}
​ left brace negative 4 comma negative 32 right brace

{32,4}
left brace 32 comma 4 right brace

{214,−178}
left brace 214 comma negative 178 right brace

{21,5}

Answer 1

(x − 18)^2 = 196
Take square roots: x − 18 = ±14
So x = 18 ± 14 → x = 32 or x = 4

Answer: {32, 4}