This Khan Academy video demonstrates how to write equations of parallel and perpendicular lines. It also demonstrates how to prove that lines are parallel or perpendicular from their equations or slopes.
This document is a guide to teaching Algebra through the lens of functions through a series of units. Unit 8 compares linear functions and gives an understanding of the equation of a line through growing patterns.
Registering for a Scoilnet Account – your first step to contributing and sharing
What you need...
To register for a Scoilnet Account you will need to have a Teaching Council number and a roll number for your school in Ireland.
If you already have a Scoilnet Account then you can sign in here.
A Scoilnet account will allow you to upload your resources or weblinks to Scoilnet as well as enabling you to share and add resources to a favourites listing. Users who have a Scoilnet Account will also be able to fully access
Scoilnet Maps and
Census@School from home.