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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-example-1

1 Answer

11 votes

Answer:

C & D

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


x1 = - 3 - โˆš(2) \\ x2 = - 3 + โˆš(2)

User Evan Meagher
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