Linear functions in the real world

Finding the equation of a straight line

If you know the SLOPE and A POINT on the line you can find the equation of the line:

If you know TWO POINTS on a line you can find the equation of the line:

 

Slope

I think you will understand better the concept of slope of a linear function after watching this video:

Linear functions

 

 

Definition of a function

This morning we were learning about the definition of a function.

You can get here the presentation you were watching in class. At the end of this presentation you will find the homework you have to do for next monday.

Function carnival

Today we began the unit 6 about functions.

Here you are the worksheet we did in class.

And click in the picture to go to the activity "Function carnival"

Remember you can find the code in the worksheet