SOLUTION: Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. HELP!!! PLZ!! (1, 2) and (9, 12)

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Question 384887: Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. HELP!!! PLZ!!
(1, 2) and (9, 12)
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
Slope, m, = diffy/diffx = (y2-y1)/(x2-x1)
(1,2) and (9,12)
x1 = 1, y1 = 2
x1 = 9, y2 = 12

Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. HELP!!! PLZ!!
(1, 2) and (9, 12)
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slope = m = (12-2)/(9-1) = 10/8 = 5/4
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Cheers,
Stan H.