Question 258882
"write an equation in slope-intercept form of the line passing through each pair of points. (3,5) and (2,1)
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You're missing a "
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This is a 2 step process.  First find the slope of the line thru the points.
slope, m = diffy/diffx
m = (5-1)/(3-2)
m = 4
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Now use y = mx + b with either point to find b, the y-intercept.
y = mx + b
5 = 4*3 + b
b = -7
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y = mx + b
y = 4x - 7 is the answer.