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Algebra

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Find the slope, if it exists, of the line containing the pair of points

(9,1) and (10,-7)

The slope m = __

or the slop is undefined

  • Algebra -

    m=(y1-y2)/(x1-x2)

    does not exist if the denominator = 0

  • Algebra -

    Thank you, I could not remember the formula to use.
    this is what I got:

    M = 1 + 7/ 9 - 10 = 8/-1

    I'm still not sure what the slope is.

    Thanks in advance for you help.

  • Algebra -

    (1+7)/(9-10)

    = 8/-1

    = -8

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