Solve. Write your answers in exact form, then round to 3 decimal places. 2x2 = −16 exact answers x = decimal answers x =?

Update:

Its 2x^2 =-16

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  • DWRead
    Lv 7
    4 years ago

    use x^2 to represent x²

    2x² = -16

    x² = -8

    x = ±√(-8)

     = ±√8√(-1)

     = ±2√2√(-1)

     = ±(2√2)i

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