Does the point (9, 0) satisfy the equation y = 9×2 + x + 9?

Question

Does the point (9, 0) satisfy the equation y = 9×2 + x + 9?

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Thu Hương 4 years 2021-07-19T14:33:33+00:00 1 Answers 12 views 0

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  1. thanhha
    0
    2021-07-19T14:35:30+00:00
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    Answer:

    no

    Step-by-step explanation:

    y = 9x^2 + x + 9
    0 = 9(9)^2 + 9 + 9
    0 = 9(81) + 9 + 9
    0 = 729 + 18
    0 = 747

    The answer was automatically wrong to begin with because the numbers were already greater than 0

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