SOLUTION: 1. Find the focus and the directx of the graph of each equation. Sketch the graph. y = 5x^2 2. Find the focus and the directx of the graph of each equation. Sketch the graph.

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: 1. Find the focus and the directx of the graph of each equation. Sketch the graph. y = 5x^2 2. Find the focus and the directx of the graph of each equation. Sketch the graph.       Log On


   

Question 860761: 1. Find the focus and the directx of the graph of each equation. Sketch the graph.
y = 5x^2
2. Find the focus and the directx of the graph of each equation. Sketch the graph.
x = -1/8y^2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
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Hi,
y = 5x^2, V(0,0) 5 = 1/4p, p = 1/20. y = -1/20 the directrix (opening Up)
x = (-1/8)y^2 V(0,0) , p = -2,, directrix x = 2 (opening left)