We learned about the equation of a circle today! In this course we only talk about equations of circles that have their centres at the origin, .
Here’s a nice, short video from Al Richards in KPDSB. He uses to represent distance, where we used in class today.
Here’s the sheet we worked on in class, with a couple of typos fixed:
Remember that we start review tomorrow, and we have a test on Analytic Geometry on Friday!