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9 January, 00:32

Make b the subject of the formula a = sqrt (b+6)

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Answers (2)
  1. 9 January, 00:35
    0
    a = √ (b + 6)

    a² = b + 6 (Square both sides)

    b = a² - 6 (subtract 6 from both sides)
  2. 9 January, 00:57
    0
    b = a^2 - 6

    Step-by-step explanation:

    a = sqrt (b+6)

    Find the square of both sides

    a^2 = (b+6). Open brackets

    a^2 = b+6

    Subtract 6 from both sides

    a^2 - 6 = b + 6 - 6

    b = a^2 - 6
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