SOLUTION: what is the slope of the line perpendicular to y=2/5x+7

Question 610792: what is the slope of the line perpendicular to
y=2/5x+7
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
y=mx+b is the equation of a line where m = slope. The slope of the given line is 2/5.

The slope of a line perpendicular to line a is the negative reciprocal of the slope of line a. So the slope of a line perpendicular to this line, with slope 2/5, is the negative reciprocal of 2/5 = -5/2.

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