Determine whether the representation is proportional. y = -9x

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Determine whether the representation is proportional. y = -9x

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King 4 years 2021-08-13T03:36:27+00:00 1 Answers 6 views 0

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    2021-08-13T03:38:07+00:00

    Answer:

    Yes, they are

    Step-by-step explanation:

    y = -9x

    Here y∝ x

    Where -9 is constant of proportionality

    If “y” increases by factor of 2, then “x” will also increases by factor of 2. Hence, y and x are ” directly proportional” to each other.

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