Find the slope

Question

I need some help figuring out this problem:

 

Find the slope of the line containing this pair of points

(-8,1) and (-6,-7)

 

Answer 1

Gates,

 

The formula for finding a line's slope given two of its points is:

 

m = (y₂ -y₁)/(x₂ - x₁)

 

For these two points, then:

 

m = (-7 - 1)/(-6 - (-8))

 

m = -8/2

 

m = -4 (slope)

Answer 2

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