Curated OER
Conic Sections and Nonlinear Systems of Equations
In this conic sections and nonlinear equations activity, students solve 25 multiple choice problems. The activity is a review of the conic sections and nonlinear systems chapter of an intermediate algebra course, so the topics vary widely.
Discovery Education
Discovery Education: Web Math: Graph a Circle
WebMath offers a java applet that allows you to input information about a circle, in one of four forms, and gives you the graph of the circle.