63.7k views
4 votes
The equation of a parabola is given. y=−16x2+7x−80 What is the equation of the directrix of the parabola?

User Majik
by
7.9k points

2 Answers

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

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
User Matthew Story
by
8.4k points