SOLUTION: Find the value of k for which the lines (k + 1)x � 4y + 10 = 0 and y = (5/k)x + 11 are perpendicular.

SOLUTION: Find the value of k for which the lines (k + 1)x � 4y + 10 = 0 and y = (5/k)x + 11 are perpendicular.

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Question 1004002: Find the value of k for which the lines (k + 1)x � 4y + 10 = 0 and
y = (5/k)x + 11 are perpendicular.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

Now compare the coefficients on x.

You want, for perpendicularity, .
Solve.
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