Curated OER
What is a Parabola?
What do you get when you graph a quadratic function? Not a line, that's the graph of a linear equation. The graph of a quadratic function is a curved line, either opening upward like a smile, or opening downward like a frown. The...
Curated OER
How Do You Graph a Quadratic Function?
What things need to be done to graph a quadratic function? Well, first, find the axis of symmetry, then find the vertex of the parabola, then create a table and plug in some x-values to get the resulting y-values. Now write the values as...
Curated OER
How Do You Find the a, b, and c Values of a Quadratic Function?
Writing a quadratic equation in standard form gives values for a, b, and c that can be used to find several pieces of information about the graph of the equation. Knowing a, b, and c-values allows one to find the axis of symmetry, the...
Massachusetts Institute of Technology
Mit: Blossoms: The Quadratic Equation: It's Hip to Be Squared
An interactive video lesson where students learn to manipulate quadratic equations.
Khan Academy
Khan Academy: Algebra Ii: Equation for Parabola From Focus and Directrix
The equation of a parabola is derived from the focus and directrix, and then the general formula is used to solve an example. [9:47]
Virtual Nerd
Virtual Nerd: Solving Quadratic Equations by Inspection, Taking Square Roots
Pick from a variety of tutorials to teach how to solve quadratic equations using various methods.
Sophia Learning
Sophia: Solve Quadratic Equations by Graphing on a Calculator: Lesson 1
This lesson will demonstrate how to graph a quadratic equation and locate the roots on a graphing calculator. It is 1 of 4 in the series titled "Solve Quadratic Equations by Graphing on a Calculator."
Sophia Learning
Sophia: Comparing Linear, Quadratic, and Exponential Functions
Linear, quadratic and exponential functions have different graphs, equations, and characteristics. In this tutorial, compare the shape of linear, quadratic, and exponential curves on a graph, and explore how to identify a function as...
Sophia Learning
Sophia: Comparing Linear, Quadratic, and Exponential Functions
Linear, quadratic and exponential functions have different graphs, equations, and characteristics. In this tutorial, compare the shape of linear, quadratic, and exponential curves on a graph, and explore how to identify a function as...
Khan Academy
Khan Academy: Quadratic Equations: Graphing a Parabola With a Table of Values
Demonstrates how to graph a quadratic function by creating a table of values. [7:03]
Virtual Nerd
Virtual Nerd: What Is a Parabola?
If you graph a quadratic function, you get something called a parabola. View this tutorial to learn about parabolas. [4:14]
Virtual Nerd
Virtual Nerd: What Is a Quadratic Function?
This tutorial is an introduction to quadratic functions and their graphs, while also providing examples of quadratic functions. [6:20]
Virtual Nerd
Virtual Nerd: Convert a Quadratic Equation From Vertex Form to Standard Form
If you want to solve a quadratic equation that's in vertex form, it's easier to first convert the equation to standard form. This tutorial will show you how. [4:15]
Khan Academy
Khan Academy: Comparing Maximum Points of Quadratic Functions
Find out which quadratic function has the lowest maximum value. [3:58]
Sophia Learning
Sophia: Graphing a Quadratic Function When B=0
Students learn how to graph a quadratic function in this video lesson. The tutorial consists of a detailed example that explores the mathematics concept.
Sophia Learning
Sophia: Quadratic Equations With One Solution
The mathematics resource includes a video tutorial about quadratics. The lesson discusses how to identify from the graph of a quadratic equation when there is only one real solution.
Sophia Learning
Sophia: The Terms of a Cubic Function
This video lesson describes and labels the parts of a cubic function.
Virtual Nerd
Virtual Nerd: How Do You Graph a Quadratic Function?
Watch this tutorial to see how you can graph a quadratic equation. [5:46]
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]
Other
Nsccalp: Math: Finding the Equation Given Three Points (Quadratic Functions)
This video from the Nova Scotia Community College Adult Learning Program explains how to find a quadratic equation when given three points on its graph. [9:40]
Khan Academy
Khan Academy: Comparing Models to Fit Data Example
This lesson demonstrates how to determine if a quadratic or exponential model fits the data better, then use the model to make a prediction. [4:04]
Khan Academy
Khan Academy: Analyzing Functions: Shifting Functions
Video giving an overview of the square root sign. Positive values are then chosen to evaluate the basic quadratic and square root functions, the points are graphed, and the graphs are compared. Graphs are also created with an online...
Khan Academy
Khan Academy: Quadratic Inequalities (Visual Explanation)
A visual intuition of what a quadratic inequality means.
Study Pug
Study Pug: Inverse Functions
View this video tutorial to learn about inverse functions, a function that reverses all the operations of another function. [12:05]