Curated OER
Quartic Inflection
Learners use their TI-89 calculator to find properties of the quartic polynomials. The instructional activity includes detailed instructions along with screen shots of the graphing calculator display.
Texas Instruments
Texas Instruments: Quartic Inflection
This activity introduces students to an interesting property of fourth degree polynomials and a method of proving that property using the TI-89 scripts. They then use the CAS of their TI-89 to generalize upon specific results.