3 years ago

Rewrite the expression by using grouping symbols.

Mathematics

1 answer:

KengaRu [80]3 years ago

7 0

The answer is c :))

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Step-by-step explanation:

using a graphing tool

Graph and determine the vertex in each case

we know that

If the equation has a maximum value at x=-2, then the x-coordinate of the vertex must be equal to -2 and the parabola open downward

case A) $y=-x^{2} -20x-16$

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case B) $y=-x^{2} -16x-12$

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case D) $y=-4x^{2} -16x-12$

The vertex is the point $(-2,4)$ -------> is the answer

see the attached figure

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