Number system MCQs, number system quiz answers, college math test 1 to learn math courses online. Complex numbers multiple choice questions (MCQs), number system quiz questions and answers for admission and scholarships exams. Practice complex numbers, operation on three sets, groups in maths, rational numbers and irrational numbers, linear and quadratic function, and career test for online certifications.

Practice number system test with multiple choice question: if z1 = 2 + ι, z2 = 1 + 3ι, then ι re ( z1 - z2 ) =, with choices ι, 1, 2 ι, and 2 for online college degrees. Practice jobs' assessment test for online learning complex numbers quiz questions for math major, competitive assessment tests.

MCQ: If z1 = 2 + ι, z2 = 1 + 3ι, then ι Re ( z1 - z2 ) =

1. 1
2. ι
3. 2 ι
4. 2

B

MCQ: (A ∪ B) ∪ C =

1. A ∩ (B ∪ C )
2. A ∪ (B ∪ C )
3. π
4. A ∪ (B ∪ C )

D

MCQ: { - 3 n : n ε Z } IS an abelian group under

1. subtraction
2. division
3. multiplication

D

MCQ: Every even integer is also

1. Natural number
2. Irrational number
3. Rational number
4. Whole number

C

MCQ: Function f = { (x,Y) | Y = mx + c } is