anonymous
  • anonymous
Hey just wanting to know how you can find a parabola given the focal and directrix
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Meant the equation of a parabola
anonymous
  • anonymous
Sorry i don't know the question but i just wanted to say Battle Field Friends
anonymous
  • anonymous
The vertex is half way between the Focal and the directrix

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anonymous
  • anonymous
\[y^2=4px\]
anonymous
  • anonymous
Yes I know and so then I just plug in the numbers then?
anonymous
  • anonymous
parabola takes the from of \( y^2 = 4ax \)
anonymous
  • anonymous
So then how would I solve it?
anonymous
  • anonymous
The distance between directix and focus is 2p
anonymous
  • anonymous
I will step out and let saseal take over so you do not get confused.
anonymous
  • anonymous
Because I need to know how to find the equation first
anonymous
  • anonymous
Because I need to know how to find the equation first
anonymous
  • anonymous
distance equation?
anonymous
  • anonymous
Yes but is that it?
anonymous
  • anonymous
Yes but is that it?
anonymous
  • anonymous
you take the midpoint between focus and directix \[(\frac{ x _{2}-x _{1} }{ 2 })\] change it to y if your parabola opens the other side
anonymous
  • anonymous
yup that distance is your p and you plug it into the formula
anonymous
  • anonymous
Soo is that it?
anonymous
  • anonymous
yes
anonymous
  • anonymous
Alright thank you!
anonymous
  • anonymous
welcome

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