Instructional Video
National Education Association

Identify Independent Variable and Dependent Variable on Various Representational Modes

8th - 11th Standards
The representation of a relationship really depends. The difference between dependent and independent variables is the focus of a short video that also includes examples of determining the types of variables. The presenter makes the...
Instructional Video
Khan Academy

Khan Academy: Algebra: Age Word Problems 2

9th - 10th Standards
This video demonstrates how to solve word problems related to a person's age by setting up and solving equations based on the information given in the problem. There are two sample word problems. [9:57]
Instructional Video
Khan Academy

Khan Academy: Algebra: Graphing Inequalities 2

9th - 10th Standards
This video demonstrates how to graph an inequality with two variables and check your graph by substituting ordered pairs back into the inequality. Practice problems available. [5:20]
Instructional Video
Sophia Learning

Sophia: Solving Linear Systems by Graphing

9th - 10th Standards
Solve linear systems of equations using a graph and take a quiz to assess learning.
Instructional Video
Curated Video

Math Tutor Dvd: Solving & Graphing Inequalities W/ One Variable in Algebra, Part 1

7th - 9th Standards
In this video, you will learn how to solve inequalities in algebra that only have one variable. You will learn that solving inequalities is very similar to solving equations and many of the same rules apply. After we arrive at the...
Instructional Video
Sophia Learning

Sophia: Applications of Compound Inequalities

9th - 10th Standards
Here we look at how to relate compound inequalities to real world problems.
Instructional Video
Sophia Learning

Sophia: Applications of Compound Inequalities

9th - 10th Standards
Here we look at how to relate compound inequalities to real world problems.
Instructional Video
Sophia Learning

Sophia: Solving Linear Inequalities by Graphing #2

9th - 10th Standards
This lesson illustrates how to solve for linear inequalities by graphing.