bencoutinho bencoutinho
  • 04-06-2018
  • Mathematics
contestada

Write the equation of a parabola with focus of (1,-2) and vertex at (9,-2).

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Luv2Teach
Luv2Teach Luv2Teach
  • 04-06-2018
Because the y-coordinates are the same in this parabola, it is a sideways-opening parabola, or one of the form [tex](y-k) ^{2}=4p(x-h) [/tex] where p is the distance between the focus and the vertex.  Our distance is 9-1 = 8, and the (h, k) of our vertex is (9, -2), therefore, the equation is [tex](y+2) ^{2} =32(x-9)[/tex].  Not sure how much you need to simplify this, but that's the standard form.
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evelynshelton evelynshelton
  • 24-02-2021

Answer:

(y+2)^2=32(x-9)

Step-by-step explanation:

I know it's late, but for anyone who needs it!

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