In this video, the teacher explains how to determine if a pair of numbers is a solution to a system of linear equations. By systematically testing values, the teacher demonstrates how to find the values of X and Y that satisfy both...

In this lesson, students will learn how to write a rule for a nonlinear function by recognizing patterns. They will explore linear and nonlinear functions, identifying common differences and patterns in tables of values. Through examples...

We finally learn the rule of quantum mechanics responsible for a lot of the strangeness of the theory.

In this lesson, students will learn how to determine if events A and B are independent by using the complement strategically. The lesson covers the conditional probability formula and the concept of independence. It also addresses common...

In this video, students learn how to find the dimensions of a figure formed when removing a smaller square from a larger square. The teacher explains the concept of polynomial identities and demonstrates how to use them to find the...

Hey macroeconomics students! In this video I explain the three functions of money, how economists classify money, the difference between stocks and bonds, and the relationship between interest rates and bond prices. I know it’s heavy on...

Journal Entries and T Accounts - Trial Balance Example - Part 2 of 2

Food Fighter is the inspirational story of one woman who abandoned capitalism in favour of social activism. Ronni Kahn founded OzHarvest to wage war on food waste, and to expose an inconvenient truth: that four million tonnes of...

The recent election has caused many to question whether significant changes are about to happen to Medicaid. Repeal of the Affordable Care Act would, of course, lead to the elimination of the Medicaid expansion, which could result in...

This Video Explains Marketing - Distribution Channels

Do you think that sugar makes kids hyper? Well, you're wrong. Yes, WRONG. How do we know? Randomized controlled trials. RCTs are pretty much the most robust study design there is, and also the only way to prove causality. This week's...

The EPR paradox tries to prove that quantum mechanics is wrong.

Dr. Scherz is a clinical psychologist, author, and educational consultant, working with educators for over twenty years. He earned his Master's in Education from Penn State University and went on to be an elementary school guidance...

Stents are a popular treatment for angina pectoris, or chest pain usually resulting from narrowed arteries. Getting a stent is a serious procedure, with no small risk associated with it. And recent studies indicate that stents don't do...

In this lesson, you can learn about prepositions of movement, like ‘around’, ‘past’, ‘towards’, ‘through’ and more.

Learn about these prepositions of movement with visual vocabulary to improve your level of...

Many more babies die in the United States than you might think. In 2014, more than 23,000 infants died in their first year of life, or about six for every 1,000 born. According to the Centers for Disease Control and Prevention, 25 other...