Binary operation MCQs, binary operation quiz answers to learn online college math courses. Number system multiple choice questions (MCQs), binary operation quiz questions and answers for online math degree. Career assessment test on basic function, properties of real numbers, linear and quadratic function, binary operation test prep for online certifications.

Practice number system test MCQs: * is said to be commutative in a for all a,b ε a, with choices a + b = b + a, a * b = b * a, a - b = b - a, and a * b ≠ b * a for online math degree. Prepare assessment test for scholarships, online learning binary operation quiz questions for competitive assessment in math major.

MCQ: * is said to be commutative in A for all a,b ε A

1. a + b = b + a
2. a * b = b * a
3. a - b = b - a
4. a * b ≠ b * a

B

MCQ: Extraction of a square root of a given number is

1. binary operation
2. relation
3. unary operation
4. relation in some set

C

MCQ: Which of following is unary operation?

2. multiplication
3. square root
4. None of Above

C

MCQ: Identity element of a set X with respect to intersection in P(X) is

1. X
2. π
3. does not exist
4. 0

A

MCQ: If * is a binary operation in A then

1. A is closed under *
2. A is not closed under *
3. A is not closed under +
4. A is closed under -

A