SOLUTION: find the equation of a line passing through (-1,-2) and (3,6). write in standard form

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Question 269395: find the equation of a line passing through (-1,-2) and (3,6). write in standard form
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the equation of a line passing through (-1,-2) and (3,6). write in standard form
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slope = (6--2)/(3--1) = 8/4 = 2
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Linear form is y = mx+b
You know m = 2 and y = 6 when x = 3.
Solve for "b":
6 = 2(3) + b
b = 0
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Equation:
y = 2x
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Cheers,
Stan H.