# Algebra

If x1 and y1 is (2,2) and x2 and y2 is(3,2) what is the y intercept form? I'm confused on how to work the problem out step by step

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1. y=mx+b

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posted by Mike
2. When x goes up from 2 to 3
Y stays the same at 3. (the slope is in fact zero unless you have a typo)
In general
(y-Y1)/(x-X1) = slope = (Y2-Y1)/(X2-X1)
here assuming no typo
(y - 2)/(x-2) = (2-2)/(3-1) = 0
so
y-2 = 0 (x-2)
y - 2 = 0 x + 0
y = 0 x + 2
y = 0 x + 2
or simply y = 2 of course, since it is 2 with no slope up or down.

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posted by Damon

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