Instructional Video
Khan Academy

Khan Academy: Slope: Algebra: Slope

9th - 10th
Students learn how to calculate the slope of a line.
Instructional Video
Khan Academy

Khan Academy: Algebra: Slope 2

9th - 10th
Students learn how to calculate the slope of a line. The video tutorial investigates the algebra concept through detailed explanations and examples. [9:46]
Instructional Video
Khan Academy

Khan Academy: Algebra: Slope Part 2

9th - 10th Standards
This video begins with two points and demonstrates how to graph them on a coordinate plane and then calculate the slope of the line.
Instructional Video
Khan Academy

Khan Academy: Graphing Linear Inequalities: Ca Algebra I: Graphing Inequalities

9th - 10th Standards
This video demonstrates how to solve several test questions related to linear equations and linear inequalities.
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Parallel Lines 2

9th - 10th Standards
The video tutorial investigates parallel lines. Students learn about the mathematics concept by watching a detailed example. [3:03]
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Parallel Lines 3

9th - 10th Standards
The video tutorial investigates parallel lines. Students learn about the mathematics concept by watching a detailed example. [2:42]
Instructional Video
Khan Academy

Khan Academy: Algebra: Systems of Equations

9th - 10th
This algebra resource demonstrates how to solve systems of equations. Students learn about the concept through a video tutorial.
Instructional Video
Khan Academy

Khan Academy: Systems of Equations

9th - 10th Standards
This video demonstrates how to solve systems of linear equations in two variables.
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Parallel Lines

9th - 10th Standards
The video tutorial investigates parallel lines. Students learn about the mathematics concept by watching a detailed example. [3:48]
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Perpendicular Lines 2

9th - 10th Standards
The learning exercise is a video that examines perpendicular lines. Students watch an example on how to write the equation of a perpendicular line. [3:01]
Instructional Video
Planet Nutshell

Planet Nutshell: Math Shorts: Solving Simultaneous Linear Equations

7th - 9th
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site students learn about simultaneous linear equations.
Instructional Video
Planet Nutshell

Planet Nutshell: Math Shorts: Solutions to Linear Equations

9th - 10th
Planet Nutshell provides animated video shorts to explain various math topics. This video discusses solutions to linear equations in one variable with one solution, no solutions or infinite solutions.
Instructional Video
Virtual Nerd

Virtual Nerd: What's the Y Intercept?

7th - 9th
Watch this tutorial to learn about the y-intercept, the point where the graph of the line of a linear equation crosses the y-axis. [1:49]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve a System of Equations by Graphing?

9th - 10th Standards
Check out this tutorial to see how to solve a system of linear equations by graphing both lines and finding their intersection. [4:01]
Instructional Video
Virtual Nerd

Virtual Nerd: Solve a System of Equations Using the Substitution Method

9th - 10th Standards
In this tutorial, you'll see how to solve a system of linear equations by substituting one equation into the other and solving for the variable, then using that variable value to find the value of the other variable. [3:23]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find the Rate of Change Between Two Points on a Graph?

9th - 10th Standards
Check out this tutorial to practice finding the rate of change using a graph. [4:51]
Instructional Video
Virtual Nerd

Virtual Nerd: Write the Equation of a Line in Slope Intercept Form Using a Graph

7th - 9th Standards
View this tutorial to see how to take two points on the graph of a line and use them to find the slope-intercept form of the line. [4:45]
Instructional Video
Virtual Nerd

Virtual Nerd: Write the Equation of a Line in Slope Intercept Form

9th - 10th
Video illustrates how to use values from a table that represents a linear equation to find the slope-intercept form of the line described in the table. [5:57]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Linear Equation?

7th - 9th Standards
This tutorial helps explain linear equations and shows the difference between equations that are linear and ones that are not. [5:48]
Instructional Video
Virtual Nerd

Virtual Nerd: How to Write an Equation for Direct Variation From a Table

6th - 8th Standards
This tutorial show how to take a table of values and describe the relation using a direct variation equation. [2:45]
Instructional Video
Virtual Nerd

Virtual Nerd: Finding Constant of Variation From a Direct Variation Equation

6th - 8th
The constant of variation is the number that relates two variables that are directly proportional or inversely proportional to one another. Watch this tutorial to see how to find the constant of variation for a direct variation equation....
Instructional Video
Virtual Nerd

Virtual Nerd: Write an Equation for Direct Variation Given a Point

6th - 8th Standards
This tutorial shows how to take given information and turn it into a direct variation equation. Then, see how to use that equation to find the value of one of the variables. [2:04]
Instructional Video
Virtual Nerd

Virtual Nerd: Equation of a Line in Slope Intercept Form if You Have a Graph

7th - 8th Standards
This tutorial shows how to take two points on the graph of a line and use them to find the slope-intercept form of the line. [4:45]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve a Word Problem With an Equation Using Addition?

6th - 7th
See how to translate a word problem into an equation, solve to find the answer, and check the answer all in this tutorial. [2:46]