Curated OER
Directrix
MathWorld delivers a brief definition of a focus, with diagrams showing the focus of an ellipse, a parabola, and a hyperbola.
CK-12 Foundation
Ck 12: Analysis: Constant Derivatives and the Power Rule
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn about the derivatives of constants and the power rule. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Analysis: Graphing Calculator to Analyze Polynomial Functions
[Free Registration/Login may be required to access all resource tools.] This lesson uses a graphing calculator to graph polynomial functions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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: Graph a Circle From Its Standard Equation
Given the standard form equation of a circle, graph the circle. 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: Graph a Circle From Its Expanded Equation
Given the expanded equation of a circle, graph the circle. 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.
Khan Academy
Khan Academy: Graph and Features of Ellipses
Find the center and radii of an ellipse from its graph, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Vertices and Direction of a Hyperbola
Given the equation of a hyperbola, find its graph by considering its vertices and direction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Planet
Math Planet: Algebra 2: Distance Between Two Points and the Midpoint
Gain an understanding of how to find the distance between two points and the midpoint by viewing examples and a video lesson.
Khan Academy
Khan Academy: Features of a Circle From Its Standard Equation
Find the center and radius of a circle given the equation in standard form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Equation of a Parabola From Focus and Directrix
Given the focus and the directrix of a parabola, find its equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Foci of an Ellipse From Equation
Given the equation of an ellipse, find its foci. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Equation of a Hyperbola From Features
Given some features of a hyperbola, find its equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Write Standard Equation of a Circle
Given the graph of a circle or its features, find its standard equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Foci of an Ellipse From Radii
Given the major and minor radii of an ellipse, find its foci. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Center and Radii of Ellipses From Equation
Find the center and major and minor radius of an ellipse given its equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Richland Community College
Richland Community College: Parametric Equations
This is a discussion of how to graph parametric equations, how to enter them into your calculator, and how to eliminate the parameter. The site has examples to help clarify the concept of eliminating the parameter.
University of Georgia
University of Georgia: Polar Coordinates
This site offers a discussion on polar coordinates. The discussion is an introduction to the concept and is in very simple terms. The site could also be used a s a review, as the fundamentals of polar graphing is easily found.
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