Milvia F.

asked • 04/19/15

what is a slope of a line perpendicular to the line whose equation is y=3x+4

this a geometry question

1 Expert Answer

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Michael J. answered • 04/20/15

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The equation of a line is in the form y=mx+b form, where m is the slope and b is the y-intercept. 
 
Perpendicular lines have negative reciprocal slopes.  The slope of the given line is 3.  Therefore, the slope of the line that is perpendicular to the given line is -1/3. 
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