The Internet Has Massively Broadened Career Possibilities

A natural force of nature unlike any other, El Niño is capable of unleashing a fury of climate changes and natural disasters that span from Alaska all the way to South America and beyond. What causes El Niño, and how are we affected by it? El Niño is not…

Hi everyone! Welcome to Khan Academy’s daily homeroom live stream. For those of you all who do not know what this is, this is something that we thought of when we started seeing mass school closures. We know that people are going to be at home, socially d…

I think I own probably about 11 cars personally, old to new. Drop a top and hit the highway and ride out, you know what I mean? You and your lady, you get money on the level. I get it; you can buy whatever you want—a legit business in the daytime, and at …

Boiling point is something that we normally think of as a stable property of a substance. But it really depends on what the pressure is around the substance. So, for example, water only boils at 100 degrees Celsius if the pressure is 1 atmosphere. So if …

In this video, we’re going to talk about something called determinants of matrices. So I’ll start just telling you the notation and how do you compute it, and then we’ll think about ways that you can interpret it. So let’s give ourselves a 2 by 2 matrix …

So what we have here is two different F of XS defined by their graphs, and what we want to do is figure out the domain and the range for each of these functions. So pause this video and try to figure that on your own before we do that together. Now let’s…