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anonymous
 one year ago
HELP PLEASE !! FAN AND MEDAL
find the equation for the parabola given focus(2,4) and directrix x= 6
anonymous
 one year ago
HELP PLEASE !! FAN AND MEDAL find the equation for the parabola given focus(2,4) and directrix x= 6

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amistre64
 one year ago
Best ResponseYou've already chosen the best response.1essentially, you could just use the definition of a parabola to define all points (x,y) that are the same distance from the focus and the directrix

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1do you know the distance formula?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1the point that you are an equal distance from the directrix, has a constant x=6, and y=y giving us the relationship \[(x2)^2+(y4)^2=(x6)^2+(yy)^2\] the rest is just simplifications
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