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.
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Input polynomial:

Examples:

x^2+3x-4

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

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

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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

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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.

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