SOLUTION: Determine the linear function for a graph that is a line containing the points (-1,-1) and (3,-9)

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Question 410934: Determine the linear function for a graph that is a line containing the points
(-1,-1) and (3,-9)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Determine the linear function for a graph that is a line containing the points
(-1,-1) and (3,-9)
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slope = (-9--1)/(3--1) = -8/4 = -2
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Equation Form:
y = mx + b
solve for "b":
-1 = -2(-1)+b
-1 = 2 = b
b = -3
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Equation:
y = -2x - 3
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Cheers,
Stan H.