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This content is taken from the University of Padova's online course, Precalculus: the Mathematics of Numbers, Functions and Equations. Join the course to learn more.
1.3

Precalculus

Skip to 0 minutes and 14 seconds Beautiful tool, Carlo. What do you think? It’s going to work? Well, let’s try.

Skip to 0 minutes and 24 seconds Oh, yes. Yes, it works. And everything is glowing, you see. Oh, very nice. Carlo, we are going to use this tool in the steps in practice. That’s a good idea, Alberto, yes. However, if you look at the page, video plays really a prominent role. Oh, you’re right. Let’s hope the students will first read the text of the exercises. Ah, yes. And also, they have to try to solve them before watching the video.

Skip to 1 minute and 5 seconds True? Yes, you’re right. You’re right. Unfortunately, Carlo, we will not be able to present all the solutions to the exercises in video. You think so? It takes too long time. Yes. Ah, but look. There’s a PDF with the solutions of all the exercises. It is just on the bottom of the page. Good, good Well Carlo, I think that we’ll have a lot of fun with this light board. And the students, too, probably. Yeah. [LAUGHS] OK. OK. Turn on the camera please. Carlo, the camera is going on. Ah, yes.

Alberto and Carlo explain the course structure

Every activity contains some steps where Francis explains the main topics. This will be followed by a step in practice where you’ll find some exercises and a video where Alberto or Carlo show you their way to solve some of them.

It is very important that you try as much as you can to solve the exercises, or discuss the solutions with the other learners, before you watch the video. In any case, you’ll find a PDF file with the solutions to all the exercises at the bottom of each step.

In the video solutions, if you have any trouble reading the handwriting on the board, don’t worry – you can always follow along in the transcript and in the attached PDF.