Study for test 4--coming soon

Test 4 covers 6.3-6.4, 7.1, 7.5, 7.6, 8.1-8.4, 9.1 ( Dec 1 – Dec 7 noon)
Here's a practice test with a key. Use my work for checking to make sure you know how to do the problems. 


Fall 2009 practice test

Fall 2009 practice test 4 key