5. Linear Congruences
Inverses Modulo N — Quiz
Test your understanding of inverses modulo n with 5 practice questions.
Practice Questions
Question 1
What does it mean for an integer $a$ to have a multiplicative inverse modulo $n$?
Question 2
Which condition guarantees that $a$ has an inverse modulo $n$?
Question 3
Find the inverse of $3$ modulo $10$.
Question 4
Find the inverse of $7$ modulo $26$.
Question 5
Which of the following integers has an inverse modulo $12$?