Nancy found that x = 1 is one solution to the quadratic equation (x + 2)2 = a. What is the value of a?

Question

asked Feb 8, 2020 181k views

2 Answers

SudarakaR · Answer 1 · 2020-02-12T14:53:36+0000

ANSWER

a=9

EXPLANATION

The given quadratic equation is

${(x + 2)}^(2) = a$

If x=1 is a solution, then it must satisfy this equation:

${(1 + 2)}^(2) = a$

${3}^(2) = a$

a = 9

Therefore the value of 'a' is 9