MATH-205 Midterm: Bates MATH 205 100801johnson205exam
Document Summary
This take-home exam is due at class time on monday, october 8. (sooner is ne. ) You may consult the textbook (or any other book) and any class notes and handouts, but please do not discuss any details of this exam with anyone except me! Please sign the bottom of this sheet and turn it in with your exam. You may ask me questions about the exam, but i reserve the right to give unsatisfying answers. Please show all work (though you are encouraged to check your answers on matlab or a calculator): (8 points) find the angle between the vectors. 1: (18 points) solve the system . By any method (by hand): (20 points) find a 1 (by hand) if a = . 3 1 2: (30 points) (a) find the lu factorization of a = . 3 16 18 (b) use your answer to (a) to solve a~x = .
