Maxarea.gsp

Form 4 Mathematics

Quadratic Function (Maximizing the area of a rectangle with fixed perimeter)

This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright & copy ; 1990-1998 by Key Curriculum Press, Inc. All rights reserved. Portions of this work were funded by the National Science Foundation (awards DMI 9561674 & 9623018).

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ABCD is a rectangle with fixed perimeter 8. Drag the point X to vary the length of the rectangle.

Describe the relation between the length and the area.

When will the area of the rectangle be maximum?

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