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Cube Roots of Unity quiz questions and answers, cube roots of unity MCQ with answers PDF 70 to solve College Math mock tests for online college programs. Solve Quadratic Equations trivia questions, cube roots of unity Multiple Choice Questions (MCQ) for online college degrees. Cube Roots of Unity Interview Questions PDF: algebra and trigonometry, inverse of a function, relation b/w roots and the coefficients of quadratic equations, triple angle identities, cube roots of unity test prep for free online college courses.

"The sum of all three cube roots of unity is" MCQ PDF with choices *−1, 1, 3, and 0* for ACT subject test tutoring. Practice quadratic equations questions and answers to improve problem solving skills to learn free online courses.

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

1

−1

3

0

d

**MCQ**: Sin3θ/sinθ +cos3θ/cosθ =

sinθ

2cot2θ

cosθ

cosθ

b

**MCQ**: 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

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

0

1

2

x

d

**MCQ**: Cos²θ+sin²θ =

−2

−1

0

1

d

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