Question 683025
1.  Find slope: {{{(x1-x2)/(y1-y2) = (4--4)/(-1--3) = 8/2 = 4}}}
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2.  Use slope with one point in point-slope formula
y - 4 = 4(x--1)
y - 4 = 4(x+1)
y - 4 = 4x + 4
y = 4x + 4 + 4
{{{highlight_green(y = 4x + 8)}}}


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