Multiple Choice Question (MCQ)

Solve for x: 4\sqrt{2x-1} = 12

  1. ×

    18.5

  2. ×

    4

  3. ×

    10

  4. 5

  5. ×

    no solution

Collected in the board: Radical equations

Steven Zheng posted 15 hours ago

Answer

  1. 4\sqrt{2x-1} = 12

    Divide voth sides by 4

    \sqrt{2x-1} = 3

    Square both sides to remove radical

    2x-1 = 9

    Get the term with x alone on one side

    2x = 10

    Divide both sides by 2

    x =5

    D is the right option

Steven Zheng posted 15 hours ago

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