If x = 1 is the directrix of the parabola y2 = kx - 8, then k is: – McqOptions

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1.	If x = 1 is the directrix of the parabola y2 = kx - 8, then k is:
A.	\(\frac{1}{8}\)
B.	8
C.	4
D.	\(\frac{1}{4}\)
Answer» D. \(\frac{1}{4}\)

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