The line \[x-1=0\] is the directrix of the parabola \[{{y}^{2}}-kx+8=0\]. Then one of the values of k is [IIT Screening 2000]

The line \[x-1=0\] is the directrix of the parabola \[{{y}^{2}}-kx+8=0

1.	The line \[x-1=0\] is the directrix of the parabola \[{{y}^{2}}-kx+8=0\]. Then one of the values of k is [IIT Screening 2000]
A.	\[\frac{1}{8}\]
B.	8
C.	4
D.	\[\frac{1}{4}\]
Answer» D. \[\frac{1}{4}\]

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The line \[x-1=0\] is the directrix of the parabola \[{{y}^{2}}-kx+8=0\]. Then one of the values of k is [IIT Screening 2000]

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