SOLUTION: A straight line joins the points (3,9) and (-1,1) . determine x intercept of the line. Please explain step by step.Thanks
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Question 674506: A straight line joins the points (3,9) and (-1,1) . determine x intercept of the line. Please explain step by step.Thanks
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
slope =
...
Point slope formula
y - 9 = 2(x-3)
y - 9 = 2x - 6
y = 2x - 6 + 9
...
x intercept is where y = 0
0 = 2x + 3
2x = -3
x =
(, 0)
...
.....................
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