Khan Academy
Khan Academy: Graphing a Quadratic Function Ex 3
A video lesson showing how to graph a quadratic function.
Sophia Learning
Sophia: Locating the Maximum and Minimum of a Parabola
Locate the maximum and minimum point on a quadratic function (parabola) and then take a quiz to assess learning.
Virtual Nerd
Virtual Nerd: How Do You Write an Equation for a Quadratic With 3 Points?
This lesson shows how to write the equation for a parabola when given three points. [9:22]
Imagine Learning Classroom
Learn Zillion: Find the Maximum or Minimum Value of a Quadratic Function
This video explains how to find the least or greatest value of a quadratic function by rewriting the function in vertex form. [4:34]
Other
Study Pug: Quadratic Functions Explained, Simplified and Made Easy
Quickly master how to find characteristics of quadratic functions by watching this video tutorial. [7:46]
Khan Academy
Khan Academy: Quadratic Inequalities (Visual Explanation)
A visual intuition of what a quadratic inequality means.
Khan Academy
Khan Academy: Identifying Minima and Maxima for X^3 12 X 5
Graphing a function and identify the maximum and minimum.
Khan Academy
Khan Academy: Worked Example: Completing the Square (Intro)
Sal completes the quadratic x-squared minus 44x into a perfect square. [3:21]
Study Pug
Study Pug: Finding the Quadratic Functions for Given Parabolas
In this lesson, we will learn how to find the quadratic function when we are given the graph of a parabola. Worked examples and a video are included. [8:22]
Sophia Learning
Sophia: Extrema: Lesson 3
This lesson introduces minimum and maximum function values also called function extrema. It is 3 of 4 in the series titled "Extrema."
Sophia Learning
Sophia: Extrema: Lesson 1
This lesson introduces minimum and maximum function values also called function extrema. It is 1 of 4 in the series titled "Extrema."
Sophia Learning
Sophia: Relative Extrema: Lesson 2
This lesson explains how extrema can be located within closed intervals when their derivatives are zero. It is 2 of 5 in the series titled "Relative Extrema."
Sophia Learning
Sophia: Locating the Maximum and Minimum of a Parabola
This video tutorial describes how to determine if the vertex of a parabola is the minimum or maximum. The lesson includes a detailed example.