# Cube Roots of Unity MCQs Quiz Online Tests pdf Download

Practice MCQs on cube roots of unity, math MCQs for online test prep. Quadratic equations quiz has multiple choice questions (MCQ), cube roots of unity quiz questions and answers as for a quadratic equation ax² + bx + c sum of root is, answer key with choices as b/a, −b/a, c/a and none of above for competitive exam prep. Free study guide is to learn cube roots of unity quiz online with MCQs to practice test questions with answers.

## MCQs on Cube Roots of Unity Quiz pdf Download

MCQ. For a quadratic equation ax² + bx + c sum of root is

- b/a
- −b/a
- c/a
- None of Above

C

MCQ. If one root of equation x² - 3x + a = 0 is 2, then

- a = -2
- a = 2
- a = 0
- a = -3

B

MCQ. If ω is imaginary cube root of unity, then ω =

- 1
- 0
- ω
^{-2} - 2ω

C

MCQ. If one root of equation is (- 1 - ι), then other root is

- 1 - ι
- 1 + ι
- −1 - ι
- None of Above

C

MCQ. Sum of all three cube roots of unity is

- 1
- −1
- 3
- 0

D