

Understanding Congruences and Modular Arithmetic
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of equation is used to find integer solutions on a hyperbola?
Linear equation
Quadratic equation
Exponential equation
Diophantine equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dividing an integer by 7, what is the range of possible remainders?
1 to 6
0 to 6
0 to 5
1 to 7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which operation is not generally valid in modular arithmetic?
Multiplication
Division
Subtraction
Addition
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the expression 'A is congruent to B mod n' signify?
A and B have the same remainder when divided by n
A and B are in different remainder sets
A and B are equal
A is a multiple of B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the modulus in the expression 'A is congruent to B mod 7'?
n
A
B
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify if two numbers are congruent mod n?
By subtracting them and checking if the result is a multiple of n
By multiplying them and checking the product
By dividing them and checking the quotient
By adding them and checking the sum
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the remainder when 30 is divided by 9?
1
0
3
6
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