Intro to Modular Arithmetic and Algebra Review

What is 45 mod 7?

What is 77 mod 5?

What is 97 mod 9?

3+1+2 mod 5

F(x) = x mod 7. Which of the following statements are true?

• f(9) = 2

• f(14) = 1

• f(20) = 6

• f(17) = 2

• f(24) = 3

F(x) = x mod 9. What is the value of F(2023)?

• 3

• 4

• 5

• 6

• 7

What is 99 mod 100?

• A. 1

• B. 99

• C. 100

• D. 0

(10/3) % 3 =

• 0

• 1

• 2

• Error

For Modular Arithmetic what value is the most important?

• The Modulo

• The Given Number

• The Remainder

• The Divisor