Which equation represents the line passing through the points (3,2) and (-9,6)?
1 answer:
Equation of line: y = mx + b
m = slope
m = y2 - y1 / x2 - x1
m = 6 - 2 / -9 - 3
m = 4/-12
m = -1/3
<u>Plug in One of The Points to Solve for b:</u>
(3,2)
y = -1/3(x) + b
2 = -1/3(3) + b
2 = -1 + b
b = 3
<u>Answer:</u>
y = -1/3(x) + 3
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