Complex Zeros of a Quartic Illustrator
Illustrates real and complex zeros of the quartic function
f(x)=x^4+ax^3+bx^2+cx+d. Use the sliders to change the values of the coefficients a, b, c, d. The gray lines in the complex x-y plane are points where f(z) is a real number.
Dr. John Gresham
Dr. Bryant Wyatt
Michael Warren
Tarleton State University