SOLUTION: find an equation of the line containing the given pair of points (-7,-4) and (-5,-9)
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Question 973995
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find an equation of the line containing the given pair of points (-7,-4) and (-5,-9)
Answer by
Boreal(15235)
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slope is -9-(-4)/-5-(-7) or -5/2. This is -2.5
point slope formula
y-y1= m(x-x1)
y+4 = -2.5 (x+7) Be very careful about signs here. You are subtracting a negative.
y+4= -2.5x - 17.5
y=-2.5 x -21.5