SOLUTION: please help.write the equation of the line line y(2,11) line z(-1,-1) hope you understand this.Thanks for the help.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: please help.write the equation of the line line y(2,11) line z(-1,-1) hope you understand this.Thanks for the help.      Log On


   

Question 141481: please help.write the equation of the line


line y(2,11) line z(-1,-1) hope you understand this.Thanks for the help.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write the equation of the line

line y(2,11) line z(-1,-1)
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slope = (11--1)/(2--1) = 12/3 = 4
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Form: y = mx + b and you know y=11 when x = 2, and m = 4; solve for b
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11 = 4*2 + b
b = 3
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EQUATION:
y = 4x + 3
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Cheers,
Stan H.