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# Polynomial graphing calculator

This page help you to explore polynomials of degrees up to 4. It can calculate and graph the roots (x-intercepts), signs, Local Maxima and Minima, Increasing and Decreasing Intervals, Points of Inflection and Concave Up/Down intervals.

Polynomial Graphing Calculator
Explore and graph polynomials. ( show help ↓↓ )
0123456789+-.x^del
 xmin: xmax:
 Roots (x-intercepts) Sign Local Maxima and Minima Increasing/Decreasing Intervals Points of Inflection Concave Up/Down Intervals Calculate All
working...
examples
example 1:ex 1:
Sketch the graph of polynomial $p(x) = x^3-2x^2-24x$
example 2:ex 2:
Find relative extrema of a function $f(x) = x^3-x$
example 3:ex 3:
Find the inflection points of $-x^4+x^2+4$
example 4:ex 4:
Sketch the graph of polynomial $p(x) = x^4-2x^2-3x+4$

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