Math 2200 Homework 1
Due Date: January 14
Please write your solutions neatly and submit them in class on Monday or by 5 PM in my office. This is a
warm-up assignment; the next set of exercises will be longer and more challenging.
Exercises from the Notes
1.4.2, 1.4.6
Additional Problem
State the Pythagorean theorem precisely and prove it. There are over a hundred proofs of the Pythagorean
theorem online; feel free to find one there!
I realize we haven’t talked about proofs. The point of this exercise is to get you thinking about what a
proof looks like. Don’t spend too much time on this problem!
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