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tia_tia [17]
4 years ago
8

Please help! a rectangle's width is 6 feet less than it's length. write a quadratic function that expresses the rectangles area

in terms of its length.
A. A( L) = L - 6

B. A( L) = L^2 - 6L

C. A( L) = L^2 + 6L

D. A( L) = Lw
Mathematics
2 answers:
Ivanshal [37]4 years ago
8 0

Answer: OPTION B

Step-by-step explanation:

The formula for calculate the area of a rectangle is the shown below:

A=L*w

Where the lenght is l and the width is w

You know that the width is 6 feet less than it's length. Therefore, you must substitute w=l-6 into the formula show above.

Therefore, the quadratic function that expresses the rectangles area in terms of its length is:

A(L)=L(L-6)

A(L)=L^2-6L

Monica [59]4 years ago
7 0

Answer:

B. A( L) = L² - 6L

Step-by-step explanation:

A rectangle has 2 sides, length and width.

length = L

width = L - 6

Area = length × width

        = L(L - 6)

        = L² - 6L

The correct choice is B.

B. A( L) = L² - 6L

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