Homework should be turned in at the BEGINNING OF CLASS. All problem numbers refer to McCallum, Hughes-Hallett, et al., the required text for the course. You should write up solutions neatly to all problems, making sure to SHOW ALL YOUR WORK. A nonempty subset will be graded. You are strongly encouraged to work on these problems with other classmates, although the solutions you turn in should be your own work.

**Section 12.1**

Problems: 2, 3, 4, 8, 13, 14, 15, 18, 22, 24, 25, 27, 28, 29, 31

** Hint/Note: ** For #28, find the distance of a point (x,y,z) from the x-axis and from the yz-plane.
Try and interpret the equation you obtain upon setting these two quantities equal to each other.
Be sure to show all work for your answers.

**Section 12.2**

Problems: 2, 3, 6, 7, 8, 9, 10, 11, 15, 16, 20

** Hint: ** For problem #16, its all about cross sections. It may also be useful to consider a function for large x and y-values.
Be sure to explain your answers (briefly) with matching questions.