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

Question

Mathematics

Shayna

23 April, 11:37

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

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Answers (1)

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Sabrina Lin · Answer 1

Given the quadratic equation, (x + 2) ^2 = a.

And, x = 1

Solving for the value of a

(x + 2) ^2 = a.

a = (x + 2) ^2

a = (1 + 2) ^2

a = 3^2

a = 9

The value of a is 9