SOLUTION: Find a linear function g such that g(9) =-21 and g(7)=-15

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Question 587703: Find a linear function g such that
g(9) =-21 and g(7)=-15
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find a linear function g such that
g(9) =-21 and g(7)=-15
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You have 2 solutions: (9,-21) and (7,-15)
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slope = (-15--21)/(7-9) = 6/-2 = -3
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Form: y = mx + b
Solve for "b":
-15 = -3*7 + b
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b = 6
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Equation:
y = -3x + 6
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Cheers,
Stan H.
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