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13 January, 14:16

What are the solutions to the equation x² = 256?

Select each correct answer.

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Answers (2)
  1. 13 January, 15:05
    0
    16

    Step-by-step explanation:

    16^2 = 256

    16 x 16 = 256

    x=16
  2. 13 January, 15:49
    0
    Step-by-step explanation:

    To solve x^2 = 256, you can either graph it or solve it.

    Graphing: Appears as a parabola that has roots at - 16 and 16 on the x-axis

    Solving: x^2 = 256

    square root un-does 2nd power--> (square root of x^2) = (square root of 256)

    x = + / - 16
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