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Mathematics 23 Online
OpenStudy (anonymous):

Which pair of points has a positive slope? A. (-2,9),(1,-9) B. (-2, 5), (2, -11) C. (-2, -15), (4, 21) D. (-2, 13), (1, -11)

OpenStudy (anonymous):

Try it out first on a graph and tell me what's the correct answer.

OpenStudy (anonymous):

A doesn't B doesn't C does D doesn't

OpenStudy (anonymous):

Or you can use the y2-y1/x2-x1 formula

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