jocelyn0227
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PLEASE I NEED HELP!!!!!!!!

algebra2 lesson: solving quadratics equations

solve the equations, check your solution
1.) x^2+9=0

2.) x^2-4 = -11

Respuesta :

Answer:

1) x= 3i, x= - 3i

2) x= +i[tex]\sqrt{7}[/tex], x = - i

Step-by-step explanation:

1) x^2+9=0

(x+3i)(x-3i)=0

x= 3i, x=-3i

2) x^2-4=-11

x^2=-7

x= ±i[tex]\sqrt{7}[/tex]

x= +i[tex]\sqrt{7}[/tex], x = - i

hope this helps!! :))

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