anonymous
  • anonymous
Please help! what are the focus and directrix of the parabola with equation y =1/16x?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Hi, I see, its parabola
anonymous
  • anonymous
im parabola.lol
anonymous
  • anonymous
|dw:1370238010915:dw|

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anonymous
  • anonymous
alrighttt..
anonymous
  • anonymous
Complete the square on the x terms. Divide the coefficient on the 1st degree x term by 2 and square it. Add the result to both sides of the equation. That will give you a perfect square on the left
anonymous
  • anonymous
yeah I'm just completely lost and I have less than 2 min to get this done. think i'm just gonna take a guess on this one and hope for the best. lol
anonymous
  • anonymous
|dw:1370238694623:dw|
anonymous
  • anonymous
now???
anonymous
  • anonymous
okay, soo.. would the -4 be my directrix? i'm still so lost. lol there's an option for focus (0,4) and directrix -4
anonymous
  • anonymous
yup!
anonymous
  • anonymous
awesome. thank you so much!
anonymous
  • anonymous
my pleasure.

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