The Internet Has Massively Broadened Career Possibilities
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View AllLIVE Office Hours with Sal (Monday, May 2nd)
Hello AP Calculus students! This is Sal Khan of the Khan Academy. As we all know, the AP Calculus exams, both the AB and BC exams, are coming up this Thursday, May fifth. I’m sure you are buzzing with as much excitement as I am.
In case you didn’t alread…
Any physically possible transformation can be brought about by knowledge.
There ain’t no one here but us people. If you think of the set of physical transformations that can be brought about and can’t be brought about, of the ones that can be brought about, the overwhelming majority—and again, that’s an understatement—can only …
Derivative of log_x (for any positive base aÃÂ1) | AP Calculus AB | Khan Academy
I know from previous videos that the derivative with respect to x of the natural log of x is equal to 1 / x.
What I want to do in this video is use that knowledge that we’ve seen in other videos to figure out what the derivative with respect to x is of a…
Constant of proportionality from graph | 7th grade | Khan Academy
The following graph shows a proportional relationship. What is the constant of proportionality between y and x in the graph? Pause this video and see if you can figure that out.
All right, now let’s do this together and let’s remind ourselves what a cons…
Creativity break: How can we combine ways of thinking in problem solving? | Algebra 1 | Khan Academy
[Music] One of the newest ways of thinking about problem solving for me is, um, something that my math professor would tell me. Um, he would say, “Don’t be afraid to be stuck.” And I think that a lot of the time, when we are doing math and we get stuck, i…
How to go to space!
Steve, how do you feel about going to space?
“I would love to go to space. As a matter of fact, I was on the board of directors of Virgin Galactic for 4 years, and I was scheduled actually to go to space. But I left the board; things changed. But I will …