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

Input Polynomial:

Examples ↓↓

Zoom In / Out:

xmin:

xmax:

Calculate:

Roots (x-intercepts)	Sign
Local Maxima and Minima	Increasing/Decreasing Intervals
Points of Inflection	Concave Up/Down Intervals
Calculate All

working...

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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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