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Find the slope of a line perpendicular to 3x plus 5y equals 15?
Wiki User
∙ 14y ago
3X + 5Y = 15
5Y = -3X + 15
Y = (-3/5)X + 3
The slope of this line is -3/5.
The slope of a line perpendicular to it is 5/3.
Wiki User
∙ 14y ago
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The slope of line a is 3 what is the slope of a line perpendicular to a?
To find the slope of a perpendicular line, take the negative reciprocal of the slope of the given line. (Flip the top and bottom of the fraction and change the sign.) The slope of 3 can be written as 3/1. The slope of a line that is perpendicular is -1/3.
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