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Test
Math
Domain
Advanced Math
Skill
Nonlinear functions
Difficulty
Medium
ID: 4993b828
Modded SAT Question Bank by Abdullah Mallik

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

  1. ww+9

  2. w

  3. 9

  4. w+9

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Correct Answer: D
Rationale

Choice D is correct. It's given that the expression ww+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.

Question Difficulty: Medium
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