4 years ago

What is is the equation of the line perpendicular to y = 3x-7 that contains the point (6,8)?

1 answer:

7 0

The slope of the perpendicular line will be the negative reciprocal of 3, the slope of the given line.
m = -1/(3) = -1/3

Only choices C and D have this slope. Only choice D goes through the given point. (-1/3)*6 +10 = -2 +10 = 8.

The appropriate selection is ...
D. (-1/3)x + 10

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