Question

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

-9
-3
3
9

Answer 1

Answer:

the answer is a

Step-by-step explanation:

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Answer 2

Answer:

a = 9

Step-by-step explanation:

First we substitute 1 into the quadratic equation :

(x+2)² = a

(1+2)² = a

(3)² = a

3×3 = a

a = 9

Hope you understood, hope this helped and brainliest please.