# Cube Roots of Unity MCQs Quiz Online PDF Download

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Study bachelors and masters in mathematics degree MCQs: for a quadratic equation ax² + bx + c sum of root is, for online college courses with choices b/a, −b/a, c/a, and none of above for scholars competing for college and universities' scholarships with college board and MCAT practice test. Free skills assessment test is for online learn cube roots of unity quiz questions with MCQs, exam preparation questions and answers.

## MCQs on Cube Roots of UnityQuiz 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