MATH 13 Midterm: Math 13 Midterm Fall 2015
Document Summary
Don"t think of this as a sample midterm. Instead think of it as a collection of practice problems. The actual midterm could be longer and could contain topics not mentioned below. Let the home- work and quiz questions, and the topics discussed in lecture and discussion section, guide your studying: you are in a room with two waiters and two glasses: a blue glass and a green glass. One glass has water and the other glass has poison. One waiter always tells the truth and the other waiter always tells lies. Prove your answer is correct. (similar to exercise 2. 2. 14 in the donaldson-pantano textbook. Explain (in complete sentences, as always): a. Prove that if n is an integer such that n2 is divisible by 3, then n is divisible by 3. (hint. You can use either of these facts without proof. : prove that.
