Khan Academy
Khan Academy: Solving Systems Through Examples: Graphing Systems of Equations
This video demonstrates how to solve a system of linear equations by graphing and finding the point of intersection.
Khan Academy
Khan Academy: Number of Solutions to Equations
See how some equations have one solution, some have no solutions, and others have infinite solutions. [5:27]
Khan Academy
Khan Academy: Quadratic Systems: Graphical Solution
Sal solves a system of a quadratic equation and a linear equation by graphing both equations and looking for their intersections, and then checks the solution algebraically. [5:44]
Study Pug
Study Pug: Express Linear Inequalities Graphically and Algebraically
Linear inequalities can be represented both graphically and algebraically. In this video, you will learn how to express linear inequalities as an equation and on a number line. [8:15]
Khan Academy
Khan Academy: Creating an Equation With Infinitely Many Solutions
Shows how to complete the equation 4(x - 2) + x = 5x + __ so that it has infinitely many solutions. [1:04]
Curated Video
Math Tutor Dvd: Solving & Graphing Inequalities W/ One Variable in Algebra, Part 1
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...
Study Pug
Study Pug: Graphing Linear Inequalities in Two Variables
In this lesson, you will learn how to solve linear inequalities as well as how to graph the solutions on number lines and the XY plane. [8:22]
Sophia Learning
Sophia: Finding an Inequality From a Graph: Lesson 8
This lesson shows how an inequality can be determined from a graph. It is 8 of 10 in the series titled "Finding an Inequality from a Graph."
Sophia Learning
Sophia: Finding the Graphical Solution to Three Equations: Lesson 2
The process of finding the solution for three equations by using a graph is demonstrated in this lesson. It is 2 of 10 in the series titled "Finding the Graphical Solution to Three Equations."
Sophia Learning
Sophia: Writing a Linear Equation From a Parallel Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.
Sophia Learning
Sophia: Writing a Linear Equation From a Parallel Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.
Sophia Learning
Sophia: Writing Linear Equations in Point Slope Form
This lesson will demonstrate how to write linear equations in point-slope form.
Sophia Learning
Sophia: Finding an Inequality From a Graph: Lesson 1
This lesson shows how an inequality can be determined from a graph. It is 1 of 10 in the series titled "Finding an Inequality from a Graph."
Sophia Learning
Sophia: Finding the Graphical Solution for Two Equations
This lesson will review how to solve for a linear system of equations by graphing.
Sophia Learning
Sophia: Graphing Inequalities on a Number Line
Here we go over how to graph "and" and "or" inequalities on a number line.
Sophia Learning
Sophia: Graphing a Linear Inequality
Sophia: Graphing a Linear Inequality provides this lesson which will present how to graph and shade a linear inequality that contains a < or a > by using a test point.
Sophia Learning
Sophia: Solving Linear Inequalities by Graphing #2
This lesson illustrates how to solve for linear inequalities by graphing.
Study Pug
Study Pug: Determining Number of Solutions to Linear Equations
Depending on whether and how the linear equations in a system touch each other, there will be a different number of solutions to the system. There can be one solution, no solution, and even infinite solution. Watch this video for...