A GeoGebra applet
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| − | ==The complex roots of a quartic polynomial== | + | ===The complex roots of a quartic polynomial=== |
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| − | <p>The | + | <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. |
| + | <br><br> | ||
| + | Helmut Knaust 3/25/2013 | ||
Latest revision as of 02:59, 25 March 2013
[edit] 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.
Helmut Knaust 3/25/2013
