Kaylee is building a rectangular enclosure with an area of 90 square yards. She wants the length of the enclosed area to be 6 yards lo

Question

Kaylee is building a rectangular enclosure with an area of 90 square yards. She
wants the length of the enclosed area to be 6 yards longer than the width, x.
To represent this, she writes the equation x2 + 6x = 90. She then completes the
square to help solve her equation for x.
Which equation is equivalent to Kaylee’s equation after she completes the square?
A.
(x + 3)2 = 93
B.
(x + 3)2 = 99
C.
(x + 6)2 = 96
D.
(x + 6)2 = 126

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Acacia 3 months 2021-07-31T17:05:19+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-07-31T17:06:54+00:00

    the answer is B have a great rest of your night or day 🙂

    0
    2021-07-31T17:07:04+00:00

    x^2 + 6x = 90

    x^2 + 6x + 9 = 90 + 9

    (x + 3)(x + 3) = 99

    (x + 3)^2 = 99

    Answer: B

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