SOLUTION: Find the slope of any line perpendicular to the line through points (0,5) and (-3, -4)

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Question 105886: Find the slope of any line perpendicular to the line through points (0,5) and (-3, -4)
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
Find the slope of any line perpendicular to the line through points (0,5) and (-3, -4)
First find the slope of the line thru the given points:
Use the slope formula: m =
:
In your problem: x1 = 0, y1 = 5; x2 = -3, y2 = -4
So you have:
m = = = +3 is the slope (m1)
:
The relationship of slopes of perpendicular lines can be given as:
m1 * m2 = -1
:
3 * m2 = -1
:
m2 = is the slope of the perpendicular line
:
Could you follow this OK? Any questions?

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