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## 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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Mathematics
3 months
2021-07-31T17:05:19+00:00
2021-07-31T17:05:19+00:00 2 Answers
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## Answers ( )

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

x^2 + 6x = 90

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

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

(x + 3)^2 = 99

Answer: B