CK-12 Foundation
Graphing Circles: Lesson
Explore a standard method to graph a circle. Given the standard form of the equation of a circle, the segment of a basic geometry playlist shows how to graph the circle. The resource works examples of graphing a circle, finding the...
FuseSchool
Equation of a Circle
Explore the equation of a circle by examining its key features. A thorough video lesson compares the equation of a circle to its graph by isolating the center and radius. After presenting the standard form of the equation, learners...
Krista King Math
Equation, Center and Radius, and Intercepts of a Circle
Working with standard equations is essential to mathematics. The instructor shows pupils how to apply the equation of a circle to determine the center, radius, and intercepts of a circle. Learners then view three examples that...
Calculus Expert
How to Find the Center and Radius of a Circle
Working with conic sections is algebraically intense. Use this video to remind learners of the process of writing a conic in standard form to aid in finding its key features. It explains the steps to writing a circle equation in standard...
Calculus Expert
Sketch the Graph of a Circle
Feel like you're going in circles? The fifteenth lesson in a series of 29 videos gives pupils a resource for writing equations of circles in standard form. Once in standard form, the instructor graphs the circle.
Khan Academy
Khan Academy: Algebra Ii: Conic Sections: Hyperbola and Parabola Examples
A video lesson that goes through four example problems dealing with conic sections. Topics covered include: finding the vertex of a parabola from its equation; finding the asymptotes of a hyperbola and then sketching its graph;...
Khan Academy
Khan Academy: Algebra: Conic Sections: Iit Jee Circle Hyperbola Intersection
An instructional video that presents the solution to an IIT JEE problem about the intersection points of a circle and a hyperbola. Students must find the intersection points and then determine the equation for a circle whose diameter is...
Khan Academy
Khan Academy: Algebra: Conic Sections: Tangent Line Hyperbola Relationship
A video lesson showing the algebraic relationship between the equation of an arbitrary hyperbola and its arbitrary tangent line. [10:04]
Khan Academy
Khan Academy: Algebra: Conic Sections: Conic Identification 3
A continuation of the Khan Academy video lesson series on identifying conic sections. This segment goes through examples that cover identifying and graphing both a circle and a parabola. [11:34]
Khan Academy
Khan Academy: Algebra: Conic Sections: Iit Jee Circle Hyperbola Common Tangent 3
The third video of five on solving an IIT JEE problem concerning a tangent line that is common both to a circle and a hyperbola. This video uses algebra to determine where the arbitrary line y = mx + b could intersect the given hyperbola...
Khan Academy
Khan Academy: Algebra: Conic Sections: Iit Jee Circle Hyperbola Common Tangent 5
The final video in the series on solving an IIT JEE problem concerning a tangent line that is common both to a circle and a hyperbola. The video first completes solving for the slope that began in the previous video and then substitutes...
Khan Academy
Khan Academy: Algebra: Conic Sections: Intro to Circles
A video lesson introducing the standard form for the equation of a circle. Starts out with a circle centered at the origin and then discusses the changes to both the equation and the graph when a circle is centered elsewhere. Illustrates...
Khan Academy
Khan Academy: Algebra: Conic Sections: Foci of an Ellipse
A video lesson exploring the foci of an ellipse. The formula for finding the foci is derived algebraically and then applied to a specific ellipse equation. [13:49]
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 1
This lesson derives the equation for a circle starting from the distance formula. It is 1 of 9 in the series titled "Finding the Equation of a Circle." [3:58]
Khan Academy
Khan Academy: Algebra: Conic Sections: Identifying Conics 2
A video lesson that shows how to rewrite the equation of an unknown conic section in standard form so that it can be identified and graphed. The example problem turns out to be a hyperbola and includes completing the square. [11:28]
Khan Academy
Khan Academy: Identifying Conics From Equations: Conic Identification 3
Let's identify (and graph) a couple of more conics!
Khan Academy
Khan Academy: Hyperbolas: Conic Sections: Hyperbolas 2
Continuation of the intro to hyperbolas.
Khan Academy
Khan Academy: Algebra: Conic Sections: Identifying Conics 1
A video lesson that shows how to rewrite the equation of an unknown conic section in standard form so that it can be identified and graphed. The example problem turns out to be an ellipse and includes completing the square. [9:11]
Khan Academy
Khan Academy: Algebra: Conic Sections: Intro to Ellipses
A video lesson introducing the standard form for the equation of an ellipse. Starts out with an ellipse centered at the origin and then discusses the changes to both the equation and the graph when an ellipse is centered elsewhere....
Khan Academy
Khan Academy: Algebra: Conic Sections: Intro to Hyperbolas
A video lesson introducing hyperbolas. The standard form for the equation of a hyperbola is given and the formula for the equations of the asymptotes are derived algebraically. An arbitrary graph is drawn to show what a hyperbola looks...
Sophia Learning
Sophia: The Standard Equation for a Parabola
This lesson uses the geometric definition of a parabola to derive its equation in standard form. Students can watch a video tutorial to learn the concept and then practice the skill by taking a quiz.
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 3
This lesson derives the equation for a circle starting from the distance formula. It is 3 of 9 in the series titled "Finding the Equation of a Circle." [4:32]
Imagine Learning Classroom
Learn Zillion: Prove the Pythagorean Theorem: Using Similar Triangles
In this lesson, you will learn how to prove the Pythagorean Theorem by using similar triangles. [4:54]
Math Planet
Math Planet: Equations of Conic Sections
Video lesson takes a look at three different conic sections and their equations: parabola, circles and ellipses, and hyperbolas. [1:48]