The following is the full syllabus for the course.
Syllabus Math 100A
In problem 4 b) of the practice final the matrices should have been specified to have real entries.
Math 100A Practice FinalIn problem 4 b) the square of A is wrong one checks that A^3 = -I so A has order 6. Thanks to Shu Peng for pointing out the error.
Solutions for the Math 100A Practice Final
Math 100a Practice Midterm
The original solution given to problem 1 b) in the practice midterm had an incorrect conclusion. The relation is an equivalence relation it has been fixed in the version below. (Thanks to Ian Langmore for finding the error.)
Solutions for the Math 100a Practice Midterm