Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Parallel Line and Point: Lesson 2

9th - 10th
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line. It is 2 of 5 in the series titled "Writing a Linear Equation from a Parallel Line and Point."
Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Perpendicular Line and Point: Lesson 2

9th - 10th Standards
This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line. It is 2 of 5 in the series titled "Writing a Linear Equation from a Perpendicular Line and Point."
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Perpendicular Lines

9th - 10th Standards
The learning exercise is a video that examines perpendicular lines. Students watch an example on how to determine if lines are perpendicular. [3:29]
Instructional Video
Khan Academy

Khan Academy: Algebra: Ca Algebra I: Slope and Y Intercept

9th - 10th Standards
This video demonstrates how to solve a variety of test questions related to equations of a line, slope, points on a line, and y-intercepts. [12:30]
Instructional Video
Math Mammoth

Math Mammoth: Addition and Subtraction Equations

7th - 8th Standards
Models how to solve simple linear equations involving addition and subtraction and one variable. [12:05]
Instructional Video
Math Mammoth

Math Mammoth: How to Solve Two Step Equations: Examples

7th - 8th
In this lesson, students are shown how to solve two-step linear equations with different operations and some negative numbers. [10:50]
Instructional Video
Math Mammoth

Math Mammoth: Beginning Algebra: Writing Equations for Word Problems

6th - 8th
This lesson models how to write and solve linear equations for different types of word problems. [7:46]
Instructional Video
Khan Academy

Khan Academy: Algebra: Equation of a Line

9th - 10th Standards
Students learn how to determine the equation of a line. The video tutorial investigates the algebra concept through detailed explanations and examples. [6:45]
Instructional Video
Khan Academy

Khan Academy: Algebra: Slope

9th - 10th
Students learn how to calculate the slope of a line. The video tutorial investigates the algebra concept through detailed explanations and examples.
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]