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12-02-2019
Mathematics

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The quadratic function f(x) = –x2 – 6x – 8 is graphed.What are the solutions of the quadratic equation 0 = –x2 – 6x – 8?

2 and –4
–2 and 4
–2 and –4
2 and 4

Respuesta :

12-02-2019

-X^2-6x-8=0 this can be factorised:
(-X+2)(x+4)=0
X+2=0 or x+4=0
X=-2 and x=-4
Therefore the third choice is your answer

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