SOLUTION: need help in finding the slope of the line containing the points? p1(3,1) and p2(2,3)

Question 212513: need help in finding the slope of the line containing the points?
p1(3,1) and p2(2,3)
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
Need help in finding the slope of the line containing the points?

p1(3,1) and p2(2,3)

Step 1. The slope of the line m is given as

where for our example is x2=3, y2=1, x1=2 and y1=3 (think of ). You can choose the points the other way around but be consistent with the x and y coordinates. You will get the same result.

Step 2. Substituting the above values in the slope equation gives

Step 3. The slope is -2.

I hope the above steps were helpful. Good luck in your studies!

Respectfully,
Dr J

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra.
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