Line through two points
An exploration of the equation of a straight line passing through two points using similar triangles.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Andy Kemp
Topic: Mathematics
Tags Points and lines
Being able to find the equation of a straight line that passes through two given points is an important skill. This activity explores the method for finding the formula that gives the equation of this straight line and helps students understand why it works.
There is a nine-page TI-Nspire document and notes for teachers and students.
