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What is the focus and directrix of the graph: x-3y^2=0?
11 years ago

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Answered by Henry
X = 3y^2

K = Yv = -B/2A = 0/6 = 0
h = Xv = 3 * 0^2 = 0

D(X1,K), V(h,K), F(X2,K).
D(X1,0), V(0,0), F(X2,0)

DV = 0-X1 = 1/4a = 1/12
0-X1 = 1/12
X1 = -1/12

VF = X2-0 = 1/4a = 1/12
X2 = 1/12
11 years ago
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What is the focus and directrix of the graph: x-3y^2=0?

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