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The equation of a parabola is given. y=−16x2+7x−80 What is the equation of the directrix of the parabola?
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The equation of a parabola is given. y=−16x2+7x−80 What is the equation of the directrix of the parabola?

User Majik
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2 Answers

1 vote
y=-1/6x^2+7x-80
the answer is y=-5

User Dims
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8.7k points
2 votes
we have that
y=−16x²+7x−80

see the answer in the attached figure
The equation of a parabola is given. y=−16x2+7x−80 What is the equation of the directrix-example-1
User Matthew Story
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8.4k points
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