SOLUTION: Find the Standard form of the equation of the parabola Vertex: (-2,1); Directrix: x=1

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Question 970009: Find the Standard form of the equation of the parabola
Vertex: (-2,1); Directrix: x=1
Answer by josgarithmetic(39620) About Me  (Show Source):
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Use the distance formula. Find the equation that shows the distance from (x,y) to point (-2,1) is equal to the distance from (x,y) to (1,y).