How to Solve Quadratic Inequalities? (+FREE Worksheet!)
To solve a quadratic inequality, move everything to one side, find the roots of the related equation, and test a value in each interval those roots create. For example, x² − x − 12 > 0 factors to (x − 4)(x + 3) > 0, so the critical values are −3 and 4, and the […]
How to Graph Quadratic Functions? (+FREE Worksheet!)
Algebra 1 How to Graph Quadratic Functions A quadratic function graphs as a parabola, a smooth U (or upside-down U). Find its vertex, its line of symmetry, and where it crosses the axes, and you can sketch any of them. We’ll work through it with verified graphs, a solver, and a worksheet maker a tap […]
