11. Quadratic Residues Overview

Introductory Residue Theory If Included — Quiz

Test your understanding of introductory residue theory if included with 5 practice questions.

Practice Questions

Question 1

What is the least nonnegative residue of $17$ modulo $5$?

Question 2

Which number is congruent to $-3$ modulo $7$?

Question 3

What does $a \equiv b \pmod{n}$ mean?

Question 4

What is the least nonnegative residue of $-11$ modulo $6$?

Question 5

Which set lists all integers congruent to $2$ modulo $5$?