This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Intersecting Lines.svg The graphs of the linear equations and xy The two lines intersect at the point which is the unique solution for the system of equations NB minus sign is missing on the red curve in the figure Own Jim belk Ult Krishnavedala ElectroKid Krishnavedala contribs cc Inkscape Linear equations