MATH 19A Midterm: MATH19 Harvard Midterm2F0419 Fall 05
Document Summary
You have two hours to take this midterm. Any answer in decimal form must be accurate to three decimal places, unless otherwise speci ed. Pace yourself by keeping track of how many problems you have left to go and how much time remains. You do not have to answer the problems in any particular order, so move to another problem if you nd you are stuck or spending too much time. Please be sure to write neatly illegible answers will receive little or no credit. If more space is needed, use the back of the previous page to continue your work. Be sure to make a note of this on the problem page so that the grader knows where to nd your answers. You may use a calculator on this exam, and you are permitted one 4 6 inch note card. 1: (20 points) consider the predator-prey system dx dt dy dt. 6 y (x 1)(cid:18)5 x x 1(cid:19) .
