SOLUTION: How do you find a slope of a line through (-1, 3) and (-3, 7)

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Question 657512: How do you find a slope of a line through (-1, 3) and (-3, 7)
Answer by colliefan(242) About Me  (Show Source):
You can put this solution on YOUR website!
Slope is the ratio (or quotient) of the difference between the y values and the difference between the x values. One way of saying this is:
Slope = rise over run = rise/run
Slope=(7-3)/((-3-(-1))
Slope=(4)/(-3+1)
Slope=4/-2
Slope = -2