SOLUTION: consider that l: 2x+y+4=0 a. find the gradient of l b.find the gradient of a line perpendicular to l c. find the equation of the line perpendicular to l passing through the po

Question 1088130: consider that l: 2x+y+4=0
a. find the gradient of l
b.find the gradient of a line perpendicular to l
c. find the equation of the line perpendicular to l passing through the points 5,3 give your answer in the form ax+by+c=0 where a, b, d, Z (integers)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Convert to slope(gradient)-intercept form,

.
.
.
Perpendicular lines have slopes that are negative reciprocals,

.
.
.
Use the point-slope(gradient) form of line,

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