Curated Video
Graphing Linear Inequalities in Two Variables
In this video, a teacher explains how to graph linear inequalities in two variables and use them to solve real-life problems. The teacher covers topics such as the solution set, boundary lines, test points, and determining solutions. The...
Curated Video
Understanding Inequalities
In this video lesson we will learn how to graph an inequality using an open or closed circle and an arrow. We will learn that the open circle represents less than or greater than since the value is NOT part of the solution set. We will...
Why U
Algebra 46 - Parametric Equations
In order to mathematically describe a line in 3-dimensional space, we need a way to define the values of the three coordinates at every point along the line. This can be done by creating a group of "parametric equations".
Curated Video
Represent Constraints in Story Problems Using Inequalities
Learn how to represent constraints in story problems by writing inequalities. Look at examples and tips on how to identify variables and write the appropriate inequalities. By following these instructions, students can learn how to solve...
Curated Video
Representing Inequalities on a Number Line
In this video lesson, students will learn how to represent real-world scenarios involving inequalities on a number line. The teacher explains the concept of variables and how they can represent unknown numbers. Students are guided...
Why U
Algebra 42 - Visualizing Linear Equations in Three Variables
Just as the graph of a linear equation in two variables is a line in the Cartesian plane, the graph of a linear equation in three variables is a plane in Cartesian space.
Brian McLogan
Solving a factored quadratic equation using the zero product property
👉Learn how to solve a quadratic equation using the zero product property. When a quadratic equation has been factored or is given in factored form, we can solve the quadratic equation by applying the zero product property. The zero...
Curated Video
Graphing Systems of Linear Inequalities
This video lesson teaches how to graph a system of linear inequalities. You will learn how to combine the skills of graphing linear inequalities and graphing linear systems together to correctly graph a system of linear inequalities. I...
Why U
Algebra 73 - Factoring Quadratics by inspection - part 1
Factoring a quadratic expression into a pair of linear expressions is one of the primary methods used to solve quadratic equations. In the previous lectures we examined "special product" quadratic expressions whose factors can be easily...
Why U
Algebra 72 - Solving Perfect Square Quadratic Equations
Factoring a quadratic expression into a pair of linear expressions is one of the primary methods used to solve quadratic equations. In the previous lecture we examined one form of "special product" quadratic expression whose factors can...
Why U
Algebra 71 - Solving Difference of Squares Quadratic Equations
Factoring a quadratic expression into a pair of linear expressions is one of the primary methods used to solve quadratic equations. The trick is to find a pair of linear expressions which when multiplied together, produce the quadratic...
Curated Video
Comparing Solutions: Linear Equations vs. Inequalities
This video explains the difference between solving linear equations and linear inequalities. It demonstrates how to find the solution set for each and highlights that equations have one specific solution, while inequalities have an...
Curated Video
Solving Compound Disjunction Inequalities on a Number Line
In this video, mathematicians learn how to solve compound disjunction inequalities in one variable by graphing on a number line. The teacher explains the concept of open and closed circles, and how the arrows indicate the solution set....
Curated Video
Solving Inequalities with One Variable by Graphing on a Number Line
In this video, mathematicians learn how to solve inequalities with one variable by graphing on a number line. The video explains the concept of inequalities and how to express them using symbols. It also demonstrate how to solve simple...
Professor Dave Explains
Set Theory: Types of Sets, Unions and Intersections
An introduction to set theory.
Curated Video
Creating Inequalities from Word Problems
In this video, the teacher explains how to create an inequality given a word problem. They review the concepts of variables and inequalities, as well as common mistakes to avoid. They then guide the viewer through the process of solving...
Flipped Math
Systems of Inequalities
Provide everyone an equal chance to learn about inequalities. The second of six lessons in Algebra 1 Unit 3 focuses on systems of inequalities. Scholars watch a video to learn how to identify solutions to an inequality and how to graph...
Anywhere Math
Writing Equations in Two Variables
Get two variables for the price of one equation. An informative YouTube video first focuses on how to distinguish between independent and dependent variables. It then goes on to show how to determine if a given ordered pair is a solution...
Anywhere Math
Writing and Graphing Inequalities
Inequalities mean not equal—and are not difficult at all. An engrossing YouTube video teaches scholars how to write inequalities from verbal statements. It also explains how to determine if a value is a solution to an inequality and how...
National Education Association
Solving Absolute Value Inequalities
You know how to find absolute values and you know how to solve inequalities — but what happens when these two concepts are in the same problem? A YouTube video first reviews absolute values and moves on to solving absolute value...
Curated OER
How Do You Find a Solution Set When You Have A Replacement Set?
Given a replacement set of values, plug them in to find a solution set to this inequality expression.
Curated OER
How Do You Solve and Graph a Two-Step Inequality?
Approach inequalities in a new way with this video! This video gives step-by-step instruction on how to solve a two step inequality and then graph the answer. Learners could use this video as a reference as they do homework, or you might...
Curated OER
How Do You Find the Solution Set for a Relation If You Know the Domain?
Use a table to find the solution set for an equation. Watch an instructor as she directs how to create ordered pairs using a given domain and check your answers using one of these ordered pairs. A practical video for anyone, student or...
Curated OER
What's a Solution Set?
A solution set is the set of ordered pairs that are the solutions to a two variable problem. Not sure what all that means? Watch this video and the teacher will explain it clearly.