Homework 1 1 .pdf - 1. Collaboration and Support 1.5...

1. Collaboration and Support [1.5 points]
(a) Give the names and uniqnames of 2 of your EECS 203 classmates (these could be
members of your homework group or other classmates)
(b) When you have questions about the course content, where can you ask them?
Where are you most likely to ask questions?
(c) Name one self-care action you plan to do this semester to maintain your overall
wellbeing.
2. Mod Intro [9 points]
Find the integer a such that
(a) a ≡ 43 (mod 23) and −22 ≤ a ≤ 0.
(b) a ≡ 17 (mod 29) and −14 ≤ a ≤ 14.
3. Modular Multiplication [9 points]
Suppose that a and b are integers where a ≡ 11 (mod 19) and b ≡ 3 (mod 19). Find the
integer c with 0 ≤ c ≤ 18 such that
(a) c ≡ 8b (mod 19).