SOLUTION: find the slope of line containing pairs of points (7,1) (3,5)

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Question 639008: find the slope of line containing pairs of points (7,1) (3,5)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

Note: is the first point . So this means that x%5B1%5D=7 and y%5B1%5D=1.
Also, is the second point . So this means that x%5B2%5D=3 and y%5B2%5D=5.


m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 Start with the slope formula.


m=%285-1%29%2F%283-7%29 Plug in y%5B2%5D=5, y%5B1%5D=1, x%5B2%5D=3, and x%5B1%5D=7


m=%284%29%2F%283-7%29 Subtract 1 from 5 to get 4


m=%284%29%2F%28-4%29 Subtract 7 from 3 to get -4


m=-1 Reduce


So the slope of the line that goes through the points and is m=-1