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Mathematics 18 Online
OpenStudy (anonymous):

what is the slope of a line that is perpendicular to the line represented by the equation y=-2/5x+4/5 a) 5 b) 5/2 c) 5/4 d) 2/5

OpenStudy (anonymous):

b-5/2

OpenStudy (anonymous):

The slope of a line perpendicular to a given line is always the inverse reciporcal of the slope of the given line. That's a fancy math way of saying you take the slope of your given line (-2/5 in your case), flip the fraction and change the sign.

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