noun
- Plural of biquadratic; polynomial equations of the fourth degree, or equations that can be reduced to quadratic form by substitution.
Usage: mathematics; formal
Examples
- The student solved several biquadratics by substituting y = x² to convert them into quadratic equations.
- Biquadratics appear frequently in advanced algebra courses.
- The roots of biquadratics can be found using specialized factoring techniques.
- Many classical problems in geometry reduce to solving biquadratics.