College Math Certification Exam Tests

College Math Practice Test 70

The *Cube Roots of Unity Multiple Choice Questions (MCQ) with Answers PDF*, Cube Roots of Unity MCQs PDF Download e-Book Ch. 9-70 to solve College Math Practice Tests. Study Quadratic Equations quiz answers PDF, Cube Roots of Unity Multiple Choice Questions (MCQ Quiz) to study online educational courses. The *Cube Roots of Unity MCQs App* Download: Free educational app for cube roots of unity, triple angle identities, relation b/w roots and the coefficients of quadratic equations, inverse of a function, algebra and trigonometry test prep for best online ACT prep class.

The MCQs: *Sum of all three cube roots of unity is;* "Cube Roots of Unity" App (Android & iOS) with answers: −1; 1; 3; 0; to study online educational courses. Practice Quadratic Equations Questions and Answers, Google eBook to download free sample for GRE prep classes.

*The sum of all three cube roots of unity is*

- 1
- −1
- 3
- 0

d

*Sin3θ/sinθ +cos3θ/cosθ =*

- sinθ
- 2cot2θ
- cosθ
- cosθ

b

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

- ƒ(a/2b)
- ƒ(-a/2b)
- ƒ(-b/2a)
- None of Above

c

*If f is a bijective function, then ƒ(f ^{-1}(x)) =*

- 0
- 1
- 2
- x

d

*Cos²θ+sin²θ =*

- −2
- −1
- 0
- 1

d

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