Curated OER
What is a Quadratic Function?
This is an introductory video on how to identify a quadratic function. This video explains what a quadratic function is and what the graph of a quadratic function looks like. The instructor goes through four examples of quadratic...
Curated OER
What is the Axis of Symmetry of a Quadratic Function?
The graph of a quadratic equation is a parabola. Parabolas are symmetrical. The line that passes through the vertex is called the axis of symmetry. And if the parabolas were folded along this line, the two sides would be symmetrical....
Curated OER
What is the Minimum of a Quadratic Function?
What is the lowest point of a 'U' shaped parabola called? It's called the minimum of a quadratic function, also known as, the vertex.
Curated OER
What is the Maximum of a Quadratic Function?
What is the highest point of an upside-down parabola called? It's called the maximum of a quadratic function, also known as, the vertex.
Curated OER
How Do You Find the Axis of Symmetry for a Quadratic Function?
Short and simple. X equals negative b divided by two(a) is the formula used to find the axis of symmetry. If the quadratic equation is in standard form, identify the values for a, b, and c and plug the values into the formula. Do the...
Curated OER
How Do You Find the Zeros of a Quadratic Function on a Graph?
Find the zeros on a given graph of a quadratic equation. What does this mean? It means to find the values at which the parabola crosses the x-axis. It seems pretty straightforward to be able to look at a graph and identify the points at...
Curated OER
How Do You Graph a Quadratic Equation with No Solution?
There are many ways to solve a quadratic equation. Let's check out how to solve a quadratic equation by graphing. But first, let's find the axis of symmetry and the vertex before making a table of values. Write the values as ordered...
Curated OER
How Do You Graph a Quadratic Equation in Intercept Form?
Watch this video and find out how to graph a quadratic equation when it's in intercept form! After going through the different forms of quadratic equations, an instructor leads viewers through an example problem. For the example problem,...
Curated OER
What is a Quadratic Function?
This is an introductory video on how to identify a quadratic function. This video explains what a quadratic function is and what the graph of a quadratic function looks like. The instructor goes through 4 examples of quadratic functions...
Curated OER
What is the Minimum of a Quadratic Function?
What is the lowest point of a 'U' shaped parabola called? It's called the minimum of a quadratic function, also known as, the vertex.
Curated OER
What is the Maximum of a Quadratic Function?
What is the highest point of an upside down parabola called? It's called the maximum of a quadratic function, also known as, the vertex.
Curated OER
How Do You Graph a Quadratic Equation in Intercept Form?
Watch this video and find out how to graph a quadratic equation when it's in intercept form! After going through the different forms of quadratic equations, an instructor leads viewers through an example problem. For the example problem,...
Curated OER
How Do You Make a Table for a Quadratic Function?
Making a table for a quadratic function is not so complicated. Here are a few tricks to make it easier. One trick is to find the axis of symmetry and another is to find the vertex. These two values can be used to pick values to plug in...
Curated OER
How Do You Determine if a Graph Represents a Linear, Exponential, or Quadratic Function?
What does the graph of a linear equation look like? How about a graph of a quadratic equation? What does a graph of an exponential function look like? Watch this video and see as the instructor illustrates and explains each of these...
Curated OER
How Do You Determine if the Vertex of a Quadratic Function Will be a Maximum or Minimum?
The form of a quadratic function can help you determine if the vertex of a quadratic equation will be a minimum or a maximum of the function. If the coefficient of 'a' in the quadratic form of the equation is positive the vertex will be...
Curated OER
How Do You Find the Vertex of a Quadratic Function?
Trying to find the vertex of a quadratic equation? Remember that the vertex is the minimum or maximum point of the quadratic equation and can be identified on a graph of the equation. First use the axis of symmetry formula to find the...
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 Solve a Quadratic Equation with Two Solutions by Graphing?
There are many ways to solve a quadratic equation. Let's check out how to solve a quadratic equation by graphing. But first, let's find the axis of symmetry and the vertex before making a table of values. Write the values as ordered...
Curated OER
Physics - Spherical and Parabolic Mirrors
Intended for learners with a solid understanding of algebra, physics, and scientific language, this clip describes the differences and functions of spherical and parabolic mirrors. This clip is not so much about telescopes but about...
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.
Sophia Learning
Sophia: Finding the Axis of Symmetry of a Parabola: Lesson 4
This lesson shows how to determine the equation for the axis of symmetry of a parabola on a graph. It is 4 of 8 in the series titled "Finding the Axis of Symmetry of a Parabola."
Khan Academy
Khan Academy: Algebra: Conic Sections: Introduction to Conic Sections
A video lesson introducing conic sections. Includes a sketch of each of the four fundamental conic sections in two dimensions. Also explains why they are called conic sections by illustrating how each is the intersection of a cone and a...
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]