The gradient of ax + by = c is -a/b. This is what Year 10 wish I had told them lessons ago. They've been looking at parallel and perpendicular lines lately, which involves finding lots and lots of gradients. They like it when the equation of a…
Shaun used to be maths, IT and ocassional physics teacher at a small P-12 school (primary and secondary) in rural Victoria, Australia. He is currently in the process of starting his career again in the United States.
my other blog
My journey from Australia to the United States:
my wife's blog
Sarah is also a math teacher, and she's much better at this blogging thing than I am: