Write the equation of the line passing through the point (2, -1) with a slope of -3.

Question

Write the equation of the line passing
through the point (2, -1) with a slope of -3.

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Nem 3 years 2021-09-04T16:53:30+00:00 1 Answers 7 views 0

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  1. vankhanh
    0
    2021-09-04T16:55:28+00:00
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    Answer:

    y = -3x + 5

    Step-by-step explanation:

    (2, -1); m = -3

    y – y1 = m(x – x1)

    y + 1 = -3(x – 2)

    y + 1 = -3x + 6

    y = -3x + 5

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