Help i'm taking a math quiz

Mathematics

1 answer:

Agata [3.3K]3 years ago

3 0

Answer: the second one good luck on the test

Step-by-step explanation:

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What is the solution to the inequality? −4x−8>−20

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Add 8 to both sides
-4x>-12
Divide both sides by -4
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3 years ago

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4 years ago

Which is the focus of a parabola with equation y2=-12x

Morgarella [4.7K]

We have
y²=-12x

the vertex is the point (0,0)------------- > see the attached figure

standard form: (y-k)^2=4p(x-h), with (h,k) being the (x,y) coordinates of the vertex.
vertex(0,0)
4p=-12---- > p=-12/4
p=-3
Focus:(-3,0)

the answer is (-3,0)

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