Instructional Video4:41
Khan Academy

Graphing a Parabola Using Roots and Vertex, Quadratic Equations, Algebra I

For Students 7th - 11th
After correcting the last problem in his previous video, Sal explains how to graph quadratic functions. Those with difficulty graphing algebraic functions will find Sal's instruction and easygoing manner a welcome change from staring at...
Instructional Video8:19
Brightstorm

Dilations of Quadratic Graphs - Concept

For Students 8th - 10th Standards
Help learners recognize the characteristics of a quadratic graph and how changes affect them. An informative video uses a graphing calculator in order to find out what happens when the leading coefficient of a quadratic...
Instructional Video15:01
Khan Academy

Graphs of Square-Root Functions, Functions and Their Graphs, Algebra II

For Students 8th - 11th
Though Sal expects viewers to be "reasonably familiar" with square roots, he takes this opportunity to explain some of the notation and how to graph square root functions. He uses a graphing calculator from my.hrw.com/math06 to...
Instructional Video4:38
Brightstorm

Exploring Quadratic Graphs - Concept

For Students 8th - 10th Standards
Show your class how to use properties to make graphing easier with a resource that explores the graphs of quadratics. Using tables to determine the points to graph, pupils discover the symmetry of parabolas in...
Instructional Video7:47
Curated OER

How Do You Graph a Quadratic Equation with No Solution?

For Teachers 8th - 11th
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...
Instructional Video1:39
Curated OER

How Do You Find the Zeros of a Quadratic Function on a Graph?

For Teachers 8th - 9th
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...
Instructional Video2:13
Curated OER

What is the Axis of Symmetry of a Quadratic Function?

For Teachers 8th - 11th
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....
Instructional Video1:54
Curated OER

How Do You Find the Axis of Symmetry for a Quadratic Function?

For Teachers 8th - 11th
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...
Instructional Video1:47
Curated OER

What is the Maximum of a Quadratic Function?

For Teachers 8th - 11th
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.
Instructional Video1:59
Curated OER

What is the Minimum of a Quadratic Function?

For Teachers 8th - 11th
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.
Instructional Video2:24
Curated OER

What is the Maximum of a Quadratic Function?

For Teachers 6th - 12th
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.
Instructional Video2:36
Curated OER

What is the Minimum of a Quadratic Function?

For Teachers 6th - 12th
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.
Instructional Video
National Education Association

Determine Minimum, Maximum, Vertex, and Zeros Given the Graph

For Students 9th - 12th Standards
Do not always be maxed out by the vertex. A short video introduces the graphical display of the vertex and zeros of a quadratic function. The presenter provides the definitions of the minimum and maximum of the graph along with...
Instructional Video8:19
Brightstorm

Dilations of Quadratic Graphs

For Students 9th - 12th
Challenge: Sketch a graph of a quadratic function without making a table of values. High schoolers learn how different parameters affect the graph of a quadratic function. The problem video focuses on dilations of quadratic graphs.
Instructional Video5:46
Curated OER

How Do You Graph a Quadratic Function?

For Teachers 8th - 11th
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...
Instructional Video5:49
Curated OER

How Do You Solve a Quadratic Equation by Completing the Square?

For Teachers 6th - 12th
Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...
Instructional Video7:05
Curated OER

How Do You Graph the Parent Quadratic Function y=x2?

For Teachers 8th - 11th
Watch this video to learn about the parent quadratic function. The instructor walks learners through this step-by-step process.
Instructional Video5:20
Curated OER

How Do You Solve a Quadratic Equation by Using the Quadratic Formula?

For Teachers 8th - 11th
Use an informative video on the quadratic equation to help math learners of all levels. Remember that if there is a solution, there will be two values. In word problems, it might be that only one of the values might answer the question....
Instructional Video5:55
Curated OER

How Do You Solve a System of Equations Using Substitution if One Equation is a Quadratic?

For Teachers 8th - 11th
Two equations. Wait! They don't look like the same kind of equations. How do you solve a system of equations when one equation is linear and the other is a quadratic? Watch this video as the instructor illustrates how to use the...
Instructional Video7:36
Curated OER

What is the Quadratic Formula?

For Teachers 6th - 12th
What do you do when you are trying to solve a quadratic equation and factoring and graphing aren't working out for you? Use the quadratic formula! Watch this video to find out exactly how to find your solutions with the quadratic...
Instructional Video3:47
Curated OER

How Do You Determine if a Graph Represents a Linear, Exponential, or Quadratic Function?

For Teachers 8th - 11th
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...
Instructional Video7:08
Curated OER

How Do You Solve a Quadratic Equation with Two Solutions by Graphing?

For Teachers 8th - 11th
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...
Instructional Video2:58
Curated OER

How Do You Find the Vertex of a Quadratic Function?

For Teachers 8th - 11th
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...
Instructional Video5:10
Curated OER

How Do You Determine if the Vertex of a Quadratic Function Will be a Maximum or Minimum?

For Teachers 8th - 11th
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...