Learn complex numbers MCQs, math test for online learning courses, test prep to practice test. Number system quiz has multiple choice questions (MCQ), complex numbers quiz questions and answers, linear and quadratic function, rational numbers and irrational numbers, groups in maths, operation on three sets, complex numbers tutorials for online math facts courses distance learning.

College math practice test MCQ: if z1 = 2 + ι, z2 = 1 + 3ι, then ι re ( z1 - z2 ) = with choices 1, ι, 2 ι and 2 with online tutorial questions for online entrance exam with old paper important questions. Free study guide is for online learning complex numbers quiz with MCQs to practice test questions with answers.

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

1. 1
2. ι
3. 2 ι
4. 2

B

MCQ: Polar form of a complex number is

1. r ( tanθ + ιcotθ )
2. r(secθ + ιcosecθ )
3. r(cosθ + ιsinθ )
4. r (sinθ + ιcosθ)

C

MCQ: |z1 + z2 | =

1. > |Z1| + |Z2|
2. ≤|Z1| + |Z2|
3. ≤ Z1 + Z2
4. > Z1 + Z2

B

MCQ: |z1 - z2 | =

1. > |Z1| + |Z2|
2. ≤|Z1| + |Z2|
3. ≤ Z1 + Z2
4. > Z1 + Z2

B

MCQ: A² + b²

1. (a + b )(a-b)
2. (a + ι b)(a -ι b)
3. (a + b )(a- ι b)
4. (a + ι b )(a - b)

B