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the equation of line n is 8x - 14y + 3 = 0. What is k if the graphs of n and kx - 7y + 10 = 0 are perpendicular?
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the equation of line n is 8x - 14y + 3 = 0. What is k if the graphs of n and kx - 7y + 10 = 0 are perpendicular?

User Kevin Lamb
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2 Answers

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Answer:

The answer is C. -49/4

Proof:

the equation of line n is 8x - 14y + 3 = 0. What is k if the graphs of n and kx - 7y-example-1
User Chango
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If an equation is perpendicular, their slope is a negative reciprocal of each other. For example, if one slope was 1/2, the perpendicular slope would be -2. Hope this helps 
User DLiKS
by
6.6k points
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