Write the equation of the line in slope-intercept form that contains the points (4, -1) and (9, 9).

Question

Write the equation of the line in slope-intercept form that contains the points (4, -1) and (9, 9).

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Dâu 5 years 2021-07-24T03:21:51+00:00 1 Answers 11 views 0

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  1. Calantha
    0
    2021-07-24T03:23:45+00:00
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    Answer:

    y = 2x – 9

    Step-by-step explanation:

    y2 – y1 / x2 – x1

    9 – (-1) / 9 – 4

    10 / 5

    = 2

    y = 2x + b

    -1 = 2(4) + b

    -1 = 8 + b

    -9 = b

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