Polynomial graphing calculator

This calculator graphs polynomial functions. All polynomial characteristics, including polynomial roots (x-intercepts), sign, local maxima and minima, growing and decreasing intervals, points of inflection, and concave up-and-down intervals, can be calculated and graphed.

Explore and graph polynomial functions.
help ↓↓ examples ↓↓

Input polynomial:

Examples:

x^2+3x-4

2x^3-3x^2-2x+3

x^4/12-x^3/3-7x^2/12+5x/6

thumb_up 1512 thumb_down

Get Widget Code

working...

Hire MATHPORTAL experts to do math homework for you.

Prices start at $3 per problem.

Examples

ex 1:

Sketch the graph of polynomial p(x)=x³-2x²-24x

ex 2:

Find relative extrema of a function f(x)=x³-x

ex 3:

Find the inflection points of -x⁴+x²+4

ex 4:

Sketch the graph of polynomial p(x)=x⁴-2x²-3x+4

Related calculators

Plot quadratic functions

Polynomial roots

Factoring polynomials

Find more worked-out examples in our database of solved problems..

Search our database with more than 300 calculators

RESOURCES

1. A video tutorial showing how to graph a polynomial using end behavior.

2. Graphs of polynomial using its zeros and end behavior.

3. Desmos is a great tool for graphing all kinds of functions.

362 861 664 solved problems