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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?

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?

asked
User Majik
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7.9k points

2 Answers

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

answered
User Dims
by
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
answered
User Matthew Story
by
8.4k points
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