Answers

2014-09-27T19:33:28+08:00
By using the formula ...
y-y1 = (y2-y1/x2-x1) (x-x1)
substitute the given points ..
y-3 = (4-3/1-2) (x-2)
y-3 = -1 (x-2)
y-3 = -x+2
y = -x + 5
y-intercept = 5
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2014-09-27T20:40:16+08:00