What are the solutions to this equation? 7x^2 – 28=0

Question

What are the solutions to this equation? 7x^2 – 28=0

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Amelia 1 week 2021-10-06T19:34:47+00:00 2 Answers 0

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    0
    2021-10-06T19:36:16+00:00

    Answer: A. x= -2 and x = 2

    0
    2021-10-06T19:36:21+00:00

    Answer:

    2 and -2

    Step-by-step explanation:

    7x^2 = 28

    x^2 = 28/7 = 4

    x = \sqrt{4} = 2 and -2

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