# Conic sections

## Introduction to conic sections

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Intro to conic sections

## The features of a circle

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Graphing circles from featuresFeatures of a circle from its graph
Practice
Graph a circle from its featuresGet 3 of 4 questions to level up!
Features of a circle from its graphGet 3 of 4 questions to level up!

## Standard equation of a circle

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Features of a circle from its standard equationGraphing a circle from its standard equationWriting standard equation of a circle
Practice
Features of a circle from its standard equationGet 3 of 4 questions to level up!
Graph a circle from its standard equationGet 3 of 4 questions to level up!
Write standard equation of a circleGet 3 of 4 questions to level up!

## Expanded equation of a circle

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Features of a circle from its expanded equationCircle equation review
Practice
Features of a circle from its expanded equationGet 3 of 4 questions to level up!
Graph a circle from its expanded equationGet 3 of 4 questions to level up!

## Center and radii of an ellipse

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Intro to ellipsesEllipse standard equation from graphEllipse graph from standard equationEllipse features reviewEllipse equation review
Practice
Graph & features of ellipsesGet 3 of 4 questions to level up!
Center & radii of ellipses from equationGet 3 of 4 questions to level up!
Ellipse standard equation & graphGet 3 of 4 questions to level up!

## Foci of an ellipse

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Foci of an ellipse from equationEllipse foci review
Practice
Foci of an ellipse from radiiGet 3 of 4 questions to level up!
Foci of an ellipse from equationGet 3 of 4 questions to level up!
Equation of an ellipse from featuresGet 3 of 4 questions to level up!

## Focus and directrix of a parabola

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Intro to focus & directrixEquation of a parabola from focus & directrixFocus & directrix of a parabola from equation Parabola focus & directrix review
Practice
Equation of a parabola from focus & directrixGet 3 of 4 questions to level up!

## Introduction to hyperbolas

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Intro to hyperbolasVertices & direction of a hyperbolaVertices & direction of a hyperbola (example 2)Graphing hyperbolas (old example)
Practice
Vertices & direction of a hyperbolaGet 3 of 4 questions to level up!

## Foci of a hyperbola

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Foci of a hyperbola from equationProof of the hyperbola foci formula
Practice
Foci of a hyperbola from equationGet 3 of 4 questions to level up!
Equation of a hyperbola from featuresGet 3 of 4 questions to level up!

## Hyperbolas not centered at the origin

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Equation of a hyperbola not centered at the origin

## Identifying conic sections from their equations

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Conic section from expanded equation: circle & parabolaConic section from expanded equation: ellipseConic section from expanded equation: hyperbola

## Challenging conic section problems (IIT JEE)

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Representing a line tangent to a hyperbolaCommon tangent of circle & hyperbola (1 of 5)Common tangent of circle & hyperbola (2 of 5)Common tangent of circle & hyperbola (3 of 5)Common tangent of circle & hyperbola (4 of 5)Common tangent of circle & hyperbola (5 of 5)Intersection of circle & hyperbola