### Home > CALC > Chapter 7 > Lesson 7.3.1 > Problem 7-115

7-115.

Let (*a*, 0) be the coordinate of the lower right-hand vertex. What will be the coordinates of the other three vertices?

Write an equation for the area of this rectangle, in terms of *a*. Then optimize it.

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Click the link at right for the full version of the eTool: Calc 7-115 HW eTool