SOLUTION: I am being asked to "Find the linear functions satisfying": F(4)=3 F(-4)=11 I know the two problems should be set up as follows... 3=m(4)+b and 11=m(-4)+b

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: I am being asked to "Find the linear functions satisfying": F(4)=3 F(-4)=11 I know the two problems should be set up as follows... 3=m(4)+b and 11=m(-4)+b       Log On


   

Question 349964: I am being asked to "Find the linear functions satisfying": F(4)=3 F(-4)=11
I know the two problems should be set up as follows...
3=m(4)+b and 11=m(-4)+b
I also know that you have to find B first but, I don't know how to do this...
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
"Find the linear functions satisfying": F(4)=3 F(-4)=11
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You have two points: (4,3) and (-4,11)
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slope = (11-3)/(-4-4) = 8/-8 = -1
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Form: y = mx+b
3 = -1(4) + b
b = 7
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Equation:
y = -x+7
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Cheers,
Stan H.
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