juju123456789 juju123456789

23-01-2018
Mathematics

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I need help on this question

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cdw2014 cdw2014

23-01-2018

First we can find the slope using (y1-y2)/(x1-x2)

(9+7)/(4+4) = 2

Now we can plug the slope and one of the points into y - y1 = m(x-x1)

y - 9 = 2(x -4)

Then solve for y

y - 9 = 2x - 8

y = 2x + 1

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