Choose the value of c to form a perfect-square trinomial. x2 + 8x + c -8 4 -4 16

Question

Choose the value of c to form a perfect-square trinomial. x2 + 8x + c -8 4 -4 16

0

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    0
    2022-01-11T22:51:03+00:00

    Answer:

    c = 16.

    Step-by-step explanation:

    The c would have to 4^2 (16)  in order to get a middle term of + 8.

    x^2 + 8x + 16 = (x + 4)(x + 4).

    0
    2022-01-11T22:51:05+00:00

    Answer:

    Complete the square so that the left side of x2 + 8x − 3 = 0 becomes a binomial squared.

    (x +

    4

    )2 =

    19

    Step-by-step explanation:

    4, 19  on edge for second part

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