The equation of the parabola whose focus is (0, 0) and the tangent at the vertex is \[8x-y+1=0\] is

\[{{x}^{2}}+{{y}^{2}}+2xy-4x+4y-4=0\]

\[2{{x}^{2}}+2{{y}^{2}}-4xy-x+y-4=0\]

The equation of the parabola whose focus is (0, 0) and the tangent at

1.	The equation of the parabola whose focus is (0, 0) and the tangent at the vertex is \[8x-y+1=0\] is
A.	\[{{x}^{2}}+{{y}^{2}}+2xy-4x+4y-4=0\]
B.	\[{{x}^{2}}-4x+4y-4=0\]
C.	\[{{y}^{2}}-4x+4y-4=0\]
D.	\[2{{x}^{2}}+2{{y}^{2}}-4xy-x+y-4=0\]
Answer» B. \[{{x}^{2}}-4x+4y-4=0\]

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The equation of the parabola whose focus is (0, 0) and the tangent at the vertex is \[8x-y+1=0\] is

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