# Quadratics

Learn how to solve quadratic equations, and how to analyze and graph quadratic functions.

This course contains 10 segments:

**Parabolas intro**

Learn what parabolas are and about their main features: their general shape, vertex, and axis of symmetry.

**Quadratic factored form**

The factored form of a quadratic function is an expression that is, well, factored! Like f(x)=(2x+1)(x-3). Learn how to analyze functions given in this form to find their zeros, their vertex, and their graph.

**Solving quadratics by taking square roots**

In this tutorial you will learn about the most basic way of solving quadratic equations.

**Quadratic vertex form**

The vertex form of a quadratic function shows the coordinates of the parabola's vertex. For example, the vertex of g(x)=(x-1)²+2 is at (1,2). Learn how to analyze functions given in this form to find their zeros, their vertex, and their graph.

**Solving quadratics by factoring**

In this tutorial, you'll learn some pretty elaborate ways of solving quadratic equations, by harnessing the mighty strength of algebra.

**Completing the square**

You're already familiar with factoring quadratics, but have begun to realize that it only is useful in certain cases. Well, this tutorial will introduce you to something far more powerful and general. Even better, it is the bridge to understanding and proving the famous quadratic formula.

**The quadratic formula**

Learn how to solve any quadratic equation with the most general tool of all, the quadratic formula!

**Quadratic standard form**

In this tutorial, we will learn how to graph quadratic functions given in different forms.

**Features & forms of quadratic functions**

Learn about the features of quadratic functions, and how to find them given the formula of the function. Also learn about the different forms of quadratic functions: standard, vertex, and factored.

**Transforming parabolas**

Learn how function transformations affect the graphs of quadratic functions.

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Length | 10 segments |

Starts | On Demand (Start anytime) |

Cost | Free |

From | Khan Academy |

Download Videos | On all desktop and mobile devices |

Language | English |

Subjects | Mathematics |

Tags | Math |

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Rating | Not enough ratings |
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Length | 10 segments |

Starts | On Demand (Start anytime) |

Cost | Free |

From | Khan Academy |

Download Videos | On all desktop and mobile devices |

Language | English |

Subjects | Mathematics |

Tags | Math |

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