Suggested Practice Problems 

An asterisk indicates a more tricky problem; parentheses indicate optional 
problems--interesting, but either quite tough or a little beyond the scope 
of this course.

12.5  6-8, 9, 11, 13, 15, (21, 22), 34
12.6  2-12 even, 13
12.7  3, 5, 6, 7, 8, 11, (16), 21(long), 22, 33*, (37*)
12.8  3, 5, 9, 10; 11, 13, 15 definitely, 17, (18*)
12.9  3-6 (only to degree 3 if you want), 11 (ignore Maple), 13* (extra, as we didn't cover this material in class)
13.1  1-11 odd, 17, 18, 21, 22, 24
13.2  1, 3, 5, 7, (16* -- tricky, but the result is interesting)