👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...

"Ritual." We all think we know what it means...right? Ritual, though, is a lot more complicated than you think.

Quantum entanglement is a physical resource, like energy, that is possible between quantum systems. When a coin spins on a flat surface, it’s in a state of superposition between its two faces—head and tails. Similarly, electrons in their...

This is videos has 11 practice multiple choice questions for Macroeconomics Unit 2: Measuring the Economy. The questions are designed for AP and college introductory economics. Do your best and feel free to click on the "learn more" link...

In this video, students learn about perfect squares and how to generate them. They explore the concept of a square and its area, understanding that perfect squares have integer side lengths. The video also addresses common misconceptions...

It explains the derivation of formula to obtain the distance between two points in space. It also provides some solved examples on computing the distance between two points.

This video goes over 3 torque examples. This video also ends the cross product series.

👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...

👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...

👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...

A short primer on President Obama's recent announcement of new Executive Actions regarding gun control. Common sense or Tyranny? That is the question.

Calculating moment of inertia for rotating bar around end

Can you accept a gift from someone or not? The outside gifts prohibition exists to help ensure that federal employees conduct themselves with fairness and impartiality toward all people seeking to do business with the government. In this...

👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...

Entropy (Part 3/4)

We will see why do we need to follow the dual aspect concept in accounting and what is the difference between single entry system and double entry system.

Learn about heat waves, how they are defined in different regions, and the potential impacts they can have on humans, the environment, and infrastructure. This video also highlights the increased risk of heat-related illnesses during...

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 how to determine the extrema, the intervals of increasing/decreasing, and the concavity of a function from its graph. The extrema of a function are the points where the graph changes from increasing to decreasing or vice versa. A...

👉 Learn how to write a proof when given angles from parallel lines and a transversalWe will explore angle relationships with parallel lines and a transversal. Parallel lines are two lines on a plane that will never intersect and a...

What is Learning - Consumer Marketing

Learn how to use the dative case prepositions in German including a song to help you remember them, a ton of example sentences and the subtle difference between certain prepositions. This video will help you understand when...

In this video, students will learn how to subtract integers by using the take away definition of subtraction on a number line. The video explains what integers are, what subtraction is, and how to interpret subtraction as taking away or...

👉 Learn about parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry, parallel lines are identified by two...