Questions tagged [analytic-geometry]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
14 votes
7 answers
2k views

How do you explain why perpendicular lines have negative reciprocated slopes?

For my purposes, I am interested mostly in a medium-sized liberal art college setting. My students have mostly seen this before, but it is not something they understand. When discussing parallel lines,...
user avatar
12 votes
3 answers
419 views

Hands-on demonstration ideas for multivariate calculus

In teaching Calculus III geometry plays a very important role. It is crucial that students get a good sense of how to visualize curves, surfaces, coordinate axis, frames to curves, vector fields and ...
user avatar