Khan Academy
Khan Academy: Graph a Circle From Its Features
Given information about the center and radius of a circle, graph it. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Features of a Circle From Its Expanded Equation
Find the center and radius of a circle given the equation in expanded form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Features of a Circle From Its Graph
Given the graph of a circle, find its center and radius. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.