The area A , in square centimeters, of a rectangular cutting board can be represented by the expression w w

Question

The area A , in square centimeters, of a rectangular cutting board can be represented by the expression w w + 9 , where w is the width, in centimeters, of the cutting board. Which expression represents the length, in centimeters, of the cutting board?

Accepted Answer

Choice D is correct. It's given that the expression w w + 9 represents the area, in square centimeters, of a rectangular cutting board, where w is the width, in centimeters, of the cutting board. The area of a rectangle can be calculated by multiplying its length by its width. It follows that the length, in centimeters, of the cutting board is represented by the expression w + 9 . Choice A is incorrect. This expression represents the area, in square centimeters, of the cutting board, not its length, in centimeters. Choice B is incorrect. This expression represents the width, in centimeters, of the cutting board, not its length. Choice C is incorrect. This is the difference between the length, in centimeters, and the width, in centimeters, of the cutting board, not its length, in centimeters.

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