👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...

👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...

👉 Learn how to solve and graph compound linear inequalities. A compound inequality is an inequality having more than 1 inequality sign. To solve compound inequalities, we use inverse operations, applying the inverse operation to each...

👉 Learn all about solving and graphing compound inequalities. An inequality is a statement in which one value is not equal to the other value. A compound inequality is a type of inequality comprising of more than one inequalities. To...

Using the example of heights on WNBA and NBA teams, students will calculate the mean and MAD for each dataset, and then compare the variability between the two. This lesson helps students understand the importance of considering the MAD...

In this video, learn how to create a verbal description of a linear relation by using a graph or equation. Review examples of scenarios that fit different equations and graphs, such as a wildfire spreading at a constant rate or a person...

How to plot a simple rectangular point

👉 Learn how to evaluate the limit of a radical function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The radical function is...

👉 Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...

👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...

The Financial Crisis

This video is the second lecture presentation on force and extension experiments. The presenter analyzes the results obtained from the previous presentation on the extension of a spring versus the force applied to it. The video goes on...

👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...

👉 Learn how to graph linear inequalities written in standard form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken...

My 60 second explanation of consumer's surplus (CS) and producer's surplus (PS) and how to identify where it is on the graph. The bonus round shows how a price ceiling changes CS and PS and results in dead weight loss.

This video introduces you to graph traversals.
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This clip is from the chapter "Algorithms: Graph Traversal" of the series "Data Structures and Algorithms: The Complete Masterclass".This section explains the concept of graph...

My 60ish second explanation of how to identify the elastic and inelastic range of the demand curve for a monopoly. When MR is positive the demand is elastic and when it is negative the demand is inelastic. If you don't remember the total...

Hill Coefficients

In this lesson, you will learn how to determine the domain and range of a function by analyzing sets, graphs, equations, and mappings. Understanding the definitions of domain and range is crucial in this process.

👉 Learn how to write the equation of a parabola given three points. The equation of a parabola is of the form f(x) = ax^2 + bx + c, where a, b and c are constants. Since, the equation of a parabola has 3 constants, three equations and...

Today let's talk about IELTS Writing Task 1!



On this part of the Writing test there are numbers that you MUST include in your essay if you want to get a 7

or higher.

On Writing Task 1 you'll see a...

You should already know what a straight line, quadratic, cubic and reciprocal look like when plotted on a graph. In this video we will discover what the sin, cos and tan graphs look like and also exponential functions. You don't...

Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and...

👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...