Respuesta :

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ANSWER

a=9

EXPLANATION

The given quadratic equation is

[tex] {(x + 2)}^{2} = a[/tex]

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

[tex]{(1 + 2)}^{2} = a[/tex]

[tex] {3}^{2} = a[/tex]

[tex]a = 9[/tex]

Therefore the value of 'a' is 9

amin282

Answer:

answer is A

Step-by-step explanation:

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