3 years ago

The equation of line AB is (y-3)= 5(x-4). What is the slope of a line perpendicular to line AB?

1 answer:

4 0

*Hint: When the slope of a line is perpendicular, it would have the negative reciprocal.

First, let's simplify this equation into y = mx + b format.

y - 3 = 5(x - 4)
y - 3 = 5x - 20
y = 5x - 17

Since 5 is the slope of this equation, the negative reciprocal would be -1/5.

Answer: -1/5

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