Please help me on this for my quiz: If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equ

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Please help me on this for my quiz: If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?

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Nho 1 week 2021-09-05T09:23:35+00:00 1 Answers 0 views 0

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    2021-09-05T09:25:11+00:00

    Answer:

    k = -5

    Step-by-step explanation:

    Direct variation formula:

    y = kx

    Given:

    x = 2

    y = -10

    Work:

    y = kx

    -10 = 2k

    k = (-10)/2

    k = -5

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