Brightstorm
Radian Measure of Angles - Concept
An informative lesson begins with a concept video explaining how radians are figured. Then it offers videos of four progressively difficult guided practice problems.
Brightstorm
3-D Solid Properties
Let's move into the third dimension! Learners explore the vocabulary and notation related to three-dimensional figures. The video covers examples of pyramids, but the vocabulary is universal to all 3-D objects.
Brightstorm
Dilations of Quadratic Graphs - Concept
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...
Brightstorm
Exploring Quadratic Graphs - Concept
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...
Calculus Expert
Sketch the Graph of a Parabola
How many ways can you graph a quadratic? The video shows two approaches to graphing a quadratic expression that is initially in standard form. The first method finds the vertex using -b/2a. The second approach is to find (h,k).
Curated OER
What is a Cone?
What are the things that make a shape a cone? Here's a list of things that define a cone: base, height, vertex, radius, curved side. Are you familiar with all these terms? The teacher diagrams a cone and identifies all the components in...
Curated OER
What is a Triangle?
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
Curated OER
What is a Point?
A point is an exact location in space. This tutorial defines the concept of a point as it occurs in graphing, geometry, and algebra. A variety of examples are used to show how important points are and where they'll be seen in the world...
Curated OER
What is the Vertex of a Quadratic Function?
The vertex of an upward facing parabola is the lowest point on the parabola and is called the minimum. The vertex on a downward facing parabola is the highest point on the parabola and is called the maximum. These are the two...
Curated OER
How Do You Graph the Parent Quadratic Function y=x2?
Watch this video to learn about the parent quadratic function. The instructor walks learners through this step-by-step process.
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 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 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
What are Vertical Angles?
What makes vertical angles so special? Here's a few words that might help you figure out why: intersecting lines, congruent angles, opposite, supplementary angles. Still wondering? Then watch this video for a good explanation of vertical...
Krista King Math
Graphing Parabolas
Explore graphing quadratic functions by writing them in vertex form. Learners use their skills of completing the square to rewrite standard form in vertex form. They recognize key features in the equation and transfer them to the graph,...
Curated OER
How Do You Find the Volume of a Cone?
The formula to find the volume of a cone is volume equals one-third times the base times the height. The base can be found by using the formula to find the area of a circle: base equals pi times radius squared. So it seems that the area...
Curated OER
How Do You Find the Slant Height of a Cone?
Use the Pythagorean theorem formula to find the slant height of a cone. If the height of the cone and the radius of the base are given, using the Pythagorean theorem formula will be a piece of cake. Just plug in the values given and solve.
Curated OER
What is a Polygon?
What makes a figure a polygon? Does it have three or more sides? Is it a closed figure? If the answer is yes to both of those questions then it's a polygon. But wait! Some of these polygons have special names based on the number of sides...
Curated OER
What is a Pyramid?
One base, triangular sides, and defined polygons are all parts of what make up a pyramid. Check out this video and see the instructor draw pictures of a variety of pyramids. She identifies the specific parts and gives them names based on...
Curated OER
What Does the Constant 'h' do in y = |x-h|?
Translating the graph of an absolute value equation horizontally based on the value of a constant, seems to be a big task. That sentence was a mouthful. So what does it all mean? Click on this video to observe the instructor illustrate...
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,...