SOLUTION: Directrix x=5 and Vertex 3 units to the left, write in standard form equation and sketch the graph

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Question 1085974: Directrix x=5 and Vertex 3 units to the left, write in standard form equation and sketch the graph
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!



Directrix:
x=5 =>parabola opens leftward
since x=h-p ->
p=h-x
p=-3-5
p=-8
Vertex 3 units to the left: (-3,0)
%28y-k%29%5E2=4p%28x-h%29
%28y-0%29%5E2=4%28-8%29%28x-%28-3%29%29
y%5E2=+-32%28x%2B3%29

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