Question 1014028
 Write an equation for a graph that is the set of points in the plane that are equidistant from the point  F(6,0) and the line x = -6.
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For point (x,y):
Distance to x = -6 is x+6
Distance to (6,0) = {{{sqrt((x-6)^2 + y^2)}}}
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{{{sqrt((x-6)^2 + y^2) = x+6}}}
{{{(x-6)^2 + y^2 = x^2 + 12x + 36}}}
{{{x^2 - 12x + 36 + y^2 = x^2 + 12x + 36}}}
y^2 = 24x
or x = y^2/24