What is the slope of the line passing through the points (-1,-7) and (-9,-2)?

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What is the slope of the line passing through the points (-1,-7) and (-9,-2)?

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Đan Thu 6 months 2021-07-26T21:49:59+00:00 1 Answers 4 views 0

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  1. nguyetanh
    0
    2021-07-26T21:51:41+00:00
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    Answer: m = -5/8

    Step-by-step explanation:

    The general equation for slope is rise over run, also known as:

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

    From the points (x, y), we can get all the variables we need.

    (-1, -7) gives us x1 = -1 and y1 = -7

    (-9, -2) gives us x2 = -9 and y2 = -2

    If we plug all the values in, we get:

    m = (-2 – (-7))/(-9 – (-1))

    m = (-2 + 7)/(-9 + 1) the negatives cancel

    m = (5)/(-8)

    m = -5/8

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )