Question
If kx - 2ky + 15 = 0 passes through the point (3,-1), then k = -3.
Answer: Option A
:
A
Putting x = 3 , y = -1 in the given equation,
k x 3 - 2 x k x -1 + 15 = 0
⇒ 3k + 2k + 15 = 0
⇒ k = -3
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:
A
Putting x = 3 , y = -1 in the given equation,
k x 3 - 2 x k x -1 + 15 = 0
⇒ 3k + 2k + 15 = 0
⇒ k = -3
Was this answer helpful ?
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