What is the equation of the line perpendicular to #y=-1/5x # that passes through # (7,4) #?
1 Answer
May 17, 2017
#y=5x-31#
Explanation:
Given -
#y=-1/5x#
Slope of the given line
#m_1=-1/5#
The two line are perpendicular
Slope of the second line
Second line passes through the point
Equation of the second line
#y=mx+c#
#4=(5 xx 7)+c#
#4=35+c#
#c=4-35=-31#
#y=5x-31#