Question 667889
First find the slope of the line
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slope = {{{(y2-y1)/(x2-x1) = (9-24)/(7-22) = (-15)/-15 = 1}}}
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Use either of the coordinates and the determined slope to find the y-intercept, b.
24 = 1(22) + b
b = 24 - 22 = 2
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{{{highlight(y = x + 2)}}}
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{{{graph(300,200,-5,25,-5,25,x+2)}}}
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