Questions tagged [analytic-geometry]
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4
questions
6
votes
3answers
173 views
Tips for choosing coordinates of three points such that the coordinates of the orthocenter are integers
I want to give my students the coordinates of three points and ask them to find the coordinates of the orthocenter. This is a fairly long problem that can involve finding the equations of the ...
13
votes
6answers
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,...
4
votes
0answers
89 views
Making co-ordinate geometry interesting for XI grade students
I am presently teaching eleventh grade (XI standard) students an introductory course in co-ordinate geometry with a focus on preparations for competitive exams. I have seen books like S.L.Loney's co-...
12
votes
3answers
366 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 ...
