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Quadric surfaces explorer with cross sections

A quadric surface is the graph in space of a second-degree equation in , , and . This interactive figure is limited to quadric surfaces for equations of the form . As you slide the sliders to change the parameter values, pay attention to how different parameters impact the shape of the surface. As you click on the " cross sections" button, the caption on the button will change to " cross sections" then to " cross sections" as you cycle through cross sections where = constant, = constant, and = constant. Slide the slider below this button to explore the various cross sections.
Developed for use with Thomas' Calculus, published by Pearson.