Graph of the quadratic function $f(x) = x^2 - x - 2$
Graph showing the parabola on the Cartesian plane, including the points where it crosses the x-axis.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Quadratic function."
https://en.wikipedia.org/wiki/Quadratic_function#/media/File:Polynomialdeg2.svg
Wikipedia
CC BY-SA 3.0.
