Author Archives: videos4math

Linear Regression and Interpretation of Results

Hey kids! Hopefully you’re noticing that I am starting to upload videos involving old topics. –Not a coincidence. Those are the topics that I think are most important for this year. Here is a video on linear regression and (MORE … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Minimizing Surface Area

I pulled together a video on how to minimize surface area using the graphing calculator. The same method can be generalized for any shape or for maximizing / minimizing any geometric quantity. This idea of optimization is very important in … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Arithmetic and Geometric Series

Since it looks like you guys need some reminders on how to evaluate arithmetic and geometric series (from Ch. 1), here are two videos that I made that go over just that: Evaluating an arithmetic series (5 minutes and 47 … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Completing the Square for Vertex Equation

Since completing the square has a lot of steps and it’s easy to forget some of them after a while, I went back and made a video for this topic. See http://blip.tv/file/4866146 (5 minutes and 7 seconds) It shows how … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Function Transformations

Here’s a video for an earlier topic: function transformations. (I am going to go backwards and make the videos for the trickier old topics.) I apologize in advance for the choppiness of my explanation. You can still follow it, and … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Composition Functions – How to Find Their Domains

Here is a video that goes over how to find the domains of composition functions. I showed in the previous video how to get these composition formulas, so this video only discusses the domains of those results.  http://www.blip.tv/file/4857894/ (7 minutes and … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Composition Functions – How to Write Their Equations

Here is a video about how to write the function equations for composition functions (f o g)(x), (g o f)(x), and (g o g)(x). http://www.blip.tv/file/4856488 (6 minutes and 50 seconds long) Note: This will be followed by another video (soon!) that shows you how … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment