# Cube Roots of Unity Quiz Questions and Answers 70 PDF Download

Learn cube roots of unity quiz online, college math test 70 for online learning, distance learning courses. Free cube roots of unity MCQs questions and answers to learn math quiz with answers. Practice tests for educational assessment on cube roots of unity test with answers, algebra and trigonometry, inverse of a function, relation b/w roots and the coefficients of quadratic equations, triple angle identities, cube roots of unity practice test for online math fractions courses distance learning.

Free online cube roots of unity course worksheet has multiple choice quiz question: sum of all three cube roots of unity is with options 1, −1, 3 and 0 with online learning guide for international exams' preparation like SAT subjective test, study quadratic equations multiple choice questions based quiz question and answers.

## Quiz on Cube Roots of Unity Worksheet 70 Quiz PDF Download

Cube Roots of Unity Quiz

MCQ: Sum of all three cube roots of unity is

1. 1
2. −1
3. 3
4. 0

D

Triple Angle Identities Quiz

MCQ: Sin3θ/sinθ +cos3θ/cosθ =

1. sinθ
2. 2cot2θ
3. cosθ
4. cosθ

B

Relation b/w roots & the coefficients of quadratic equations Quiz

MCQ: If a > 0, then function ƒ(x) = ax² + bx + c has a minimum value at

1. ƒ(a/2b)
2. ƒ(-a/2b)
3. ƒ(-b/2a)
4. None of Above

C

Inverse of a Function Quiz

MCQ: If f is a bijective function, then ƒ(f-1(x)) =

1. 0
2. 1
3. 2
4. x

D

Algebra & Trigonometry Quiz

MCQ: Cos²θ+sin²θ =

1. −2
2. −1
3. 0
4. 1

D