Solving a Linear Quadratic System Graphically The graphing method of solution: Quadratic equations can also be solved by graphing. Graphing can be done "by hand" or with the use of a graphing calculator. The locations where the graph intersects (crosses) the x-axis will be the solutions to the equation. These locations are called the roots of the equation. (At the Algebra 1 … [Read more...] about Solving a Linear Quadratic System Graphically