maddyhogue01 maddyhogue01

07-05-2018
Mathematics

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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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calculista calculista

17-05-2018

we have that
y=−16x²+7x−80

see the answer in the attached figure

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23-05-2018

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

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