Which is an equation in slope intercept form of the line that contains the points (7,-9) and (8,-7)

Question

Which is an equation in slope intercept form of the line that contains the points (7,-9) and (8,-7)

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Thái Dương 3 years 2021-08-24T23:44:18+00:00 1 Answers 5 views 0

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  1. thienthi
    0
    2021-08-24T23:45:55+00:00
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    Answer:

    y=2x-23

    Step-by-step explanation:

    m=(-9+7)/(7-8)=-2/-1=2

    y=2x+b

    -7=2(8)+b

    -7-16=b

    b=-23

    y=2x-23

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