A GeoGebra applet
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<p>The coordinate system is used here in two different ways. The function f(x) is graphed in the usual x-y plane, while the four roots are in the complex plane. Note also that the roots - if complex - come in conjugate pairs. | <p>The coordinate system is used here in two different ways. The function f(x) is graphed in the usual x-y plane, while the four roots are in the complex plane. Note also that the roots - if complex - come in conjugate pairs. | ||
| + | <p>Helmut Knaust 3/25/2013 | ||
Revision as of 02:56, 25 March 2013
The complex roots of a quartic polynomial
The coordinate system is used here in two different ways. The function f(x) is graphed in the usual x-y plane, while the four roots are in the complex plane. Note also that the roots - if complex - come in conjugate pairs. <p>Helmut Knaust 3/25/2013
