Solve. Find the answer as an imaginary number. z^2+7=0

Question

Solve. Find the answer as an imaginary number.

z^2+7=0

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Eloise 2 weeks 2021-10-01T14:47:40+00:00 2 Answers 0

Answers ( )

    0
    2021-10-01T14:49:23+00:00

    Answer:

    z = i *\sqrt{7}   and z = – i *\sqrt{7}

    Step-by-step explanation:

    Solve:  z^2 + 7 = 0

    z^2 = -7

    z = root(-7)  =  i * root(7)

    or z = – i *root(7)

    0
    2021-10-01T14:49:32+00:00

    Answer:

    No solution: z(1,2) = +/- √(-7)

    Step-by-step explanation:

    z^2= -7

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45:7+7-4:2-5:5*4+35:2 =? ( )