SOLUTION: My paper reads, "A line passes through the two given points. Find the slope of the line, the slope of a line parallel and the slope of a line perpendicular to the line passing thro

Question 274019: My paper reads, "A line passes through the two given points. Find the slope of the line, the slope of a line parallel and the slope of a line perpendicular to the line passing through the two given points."
I honestly have no idea what it is saying because I had to miss school for a while. Please help me.
1. (8,3)(4,1)

Thank you for your time and effort, it is much appreciated.

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Slope is (change in y)/(change in x) between 2 points on
a straight line. The line must be straight to work.
You have the points
P1(8,3) and
P2(4,1)
The formula is
where is slope
---------------------------
plugging in coordinates from your points,
m = (change in y)/(change in x)

-------------------------------
Any line parallel to any line with slope = 1/2
will also have slope = 1/2
---------------------------------
The formula for finding a slope perpendicular
to a given slope is:
, so for your points,

---------------------
Any line perpendicular to any line with slope = 1/2
will have slope = -2

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