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Why is it true that a line perpendicular to y= 4x-3 would have the slope of -1/4??

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Why is it true that a line perpendicular to y= 4x-3 would have the slope of -1/4??
asked Mar 13, 2014 in PRE-ALGEBRA by skylar Apprentice

1 Answer

+1 vote

Given line y = 4x - 3

Slope intercept form of a line y = mx +b .

Slope of above line = 4.

We know that perpendicular lines slopes are negitive reciprocal to each other.

Then slope of perpendicular line = -1/4.

4(-1/4) = -1.

So the slope of perpendicular line to given line  would have -1/4.

answered Mar 13, 2014 by ashokavf Scholar

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