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Mathematics 20 Online
OpenStudy (anonymous):

Choose the correct slope of the line that passes through the points (-4, 8) and (-3, -6).

OpenStudy (anonymous):

Slope is change in y over change in x. Know how to find that?

OpenStudy (anonymous):

No please help :)

OpenStudy (anonymous):

I dont want answer I wanna know how to do it my self

OpenStudy (anonymous):

If the slop is m, then the formula is: \(m=\dfrac{y_2-y_1}{x_2-x_1}\) So you pick one point as \((x_1,y_1)\) and the other as \((x_2,y_2)\) and then you can put them in that formula.

OpenStudy (anonymous):

The change in y is the difference in y. Change and difference have similar meanings. Well, difference has a special meaning in math: subtraction. So by subtracting the y of the first point from the y of the second, you get the top value of the fraction. Similarly you find the x for the bottom.

OpenStudy (anonymous):

Here is another way to think about it: Some random points, not yours: |dw:1411669925815:dw|

OpenStudy (anonymous):

So (-4,8) and (-3,-6)?

OpenStudy (anonymous):

|dw:1411669974657:dw|

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