Instructional Video6:38
Curated OER

How Do You Graph a Quadratic Equation in Intercept Form?

8th - 11th
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,...
Instructional Video6:19
Curated OER

How Do You Make a Table for a Quadratic Function?

8th - 11th
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...
Instructional Video3:22
Curated OER

How Do You Solve a System of Equations Using the Substitution Method?

8th - 11th
Watch this video to learn how to find the solution to a system of equations with the substitution method! A teacher will lead you through each step necessary, explaining her steps and the reasoning behind her decisions. After watching...
Instructional Video2:01
Curated OER

What's a Solution to a System of Linear Equations?

8th - 11th
Since the focus of this video is on explaining the solution to a system of equations, the lecturer does not work through the problem. Instead, she points out that the solution should be an ordered pair that makes each equation a true...
Instructional Video5:05
Curated OER

How Do You Graph a Line If You're Given the Slope and the Intercept?

6th - 10th
You have been given the value for the y-intercept and the slope of a line. Now you have to graph it. So draw a graph, plot your y-intercept and then count out your movement for slope. Don't forget to connect the dots and draw a line...
Instructional Video3:43
Curated OER

How Do You Solve a System of Equations Using the Elimination by Addition Method?

8th - 11th
How can a value of x and y satisfy a solution to two equations? It doesn't seem possible. Given a system of linear equation, find a solution that satisfies both equations. It can be done. In this video, the instructor demonstrates how to...
Instructional Video0:50
Curated OER

What is a Relation?

6th - 8th
A very short explanation of what makes a relation: a set of ordered pairs.
Instructional Video2:20
Curated OER

What is an Ordered Pair?

6th - 8th
An ordered pair is comprised of an x-value, and a y-value. The x-value always comes first, then the y-value in an ordered pair. This ordered pair represents a point on a coordinate plane. There are many meanings of an ordered pair and...
Instructional Video1:09
Curated OER

What is the Coordinate Plane?

6th - 8th
Just a quick diagram and explanation of the parts of the coordinate plane. You might want to remind your class to put arrows on the ends of the x-axis and the y-axis, as these lines go on forever.
Instructional Video0:53
Curated OER

What are the Coordinate Axes?

6th - 8th
The coordinate axes are the x-axis, which is the horizontal axis, and the y-axis, which is the vertical axis. Remember, these axes go on forever.
Instructional Video2:23
Curated OER

How Do You Find the Midpoint Between Two Coordinates?

8th - 11th
You've been given two coordinate points on a graph. When these points are connected they form a line segment. Now you have to find the midpoint of this line. Of course there is a formula and all you have to do is plug in the coordinate...
Instructional Video1:17
Curated OER

What are the Endpoints of a Line Segment?

7th - 9th
A simple video on how to identify the endpoints of a line segment. Have your class watch this video to clarify any confusions about endpoints. This could be used as extra help for learners who are having difficulty, or as a supplement to...
Instructional Video7:08
Curated OER

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

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 Video1:01
Curated OER

What's Negative Correlation?

6th - 11th
If the y-value decreases as the x-value increases then you have a negative correlation. Meaning that the line-of-fit has a negative slope.
Instructional Video1:12
Curated OER

How Do You Use a Scatter Plot to Find a Line of Fit?

8th - 10th
What is a line-of-fit? Given a data set, plot the ordered pairs on a graph. It looks like a scatter plot. Now estimate, and draw a line that best fits what the data represents. That is your line-of-fit.
Instructional Video2:40
Curated OER

What's Point-Slope Form of a Linear Equation?

8th - 11th
Show your class what the point-slope form or a linear equation looks like and how to find it with this video. An instructor defines point-slope form and proceeds to work through an example. Great for in-class or at-home use.
Instructional Video7:15
Curated OER

How Do You Graph an Exponential Function Using a Table?

8th - 11th
One way to get values to be able to graph an exponential function is to make a table. This seems pretty straightforward. Set up a table to plug in random values for x. Then put those values into the equation to get the y-values. These...
Instructional Video2:46
Curated OER

Scatter Plots and Trends - Math Help

7th - 9th
Introduce learners to the use and function of a scatter plot. Using the example of a how many traffic tickets a woman received in a ten year period, the tutor explains how to create the scatter plot, label the x and y axis, and plot...
Instructional Video2:37
Curated OER

What's a Solution to a System of Linear Equations?

6th - 12th
Since the focus of this video is on explaining the solution to a system of equations, the lecturer does not work through the problem. Instead, she points out that the solution should be an ordered pair that makes each equation a true...
Instructional Video3:08
Virtual Nerd

What is a Vector?

6th - 12th
Define a vector and teach your class about the different parts of a vector with this video. An instructor conveys what a vector is, labeling the parts and providing multiple examples. Learners can re-watch this video if they are...
Instructional Video1:59
Curated OER

What are the Endpoints of a Line Segment?

6th - 12th
A simple video on how to identify the endpoints of a line segment. Have your class watch this video to clarify any confusions about endpoints. This could be used as extra help for learners who are having difficulty, or as a supplement to...
Instructional Video3:17
Curated OER

What's Point-Slope Form of a Linear Equation?

6th - 12th
Show your class what the point-slope form or a linear equation looks like and how to find it with this video. An instructor defines point-slope form and proceeds to work through an example. Great for in-class or at-home use.
Instructional Video3:02
Curated OER

How Do You Find the X- and Y-Intercepts of a Line If You Have a Graph?

6th - 12th
The x-intercept is the point at which the line of the equation crosses the x-axis. The y-intercept is the point at which the line of the same equation crosses the y-axis. It's as easy as that. Look at your graph and note these locations.
Instructional Video1:42
Virtual Nerd

What's Positive Correlation?

6th - 12th
If the y-value increases as the x-value increases then you have a positive correlation. Meaning that the line-of-fit has a positive slope.