** is also the exponent operator in Python. So x² in Python is written as x**2. Polynomials of higher degrees, such as cubic (cubed) and quartic (raised to the fourth power), work similarly.

Sometimes you just need to make a graph. If your TI-84 isn’t handy, Desmos Graphing Calculator is a good backup to have. The app accepts both functions and tables of x and y values as inputs and ...