camiluchi2004 camiluchi2004

12-05-2022
Mathematics

contestada

Which of the following are solutions to the quadratic equation below?
Check all that apply.

x^2+ 6x + 9 = 2

Which of the following are solutions to the quadratic equation below Check all that apply x2 6x 9 2 class=

Respuesta :

jasonwhite3369 jasonwhite3369

15-05-2022

Answer:

C & D

Step-by-step explanation:

x^2+6x+7=0

Delta=b^2-4ac=6^2-(4*1*7)=36-28=8

X=((-b)+-(delta)^(1/2))/2

X=((-6)+-(2^(3/2)))/2

[tex]x1 = - 3 - \sqrt{2} \\ x2 = - 3 + \sqrt{2} [/tex]

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