# Cube Roots of Unity MCQs Quiz Online PDF Download

Learn cube roots of unity MCQs, math test for online courses learning and test prep to practice. Quadratic equations quiz has multiple choice questions (MCQ), cube roots of unity quiz questions and answers to learn for online math course test.

College math practice test MCQ on for a quadratic equation ax² + bx + c sum of root is with options b/a, −b/a, c/a and none of above problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning cube roots of unity quiz 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