# Nature of roots of quadratic equation Quiz Questions and Answers 74 PDF Book Download

Nature of roots of quadratic equation quiz, nature of roots of quadratic equation MCQs answers, college math quiz 74 to learn math courses online. Quadratic equations quiz questions and answers, nature of roots of quadratic equation multiple choice questions (MCQ) to practice math MCQs with answers for college and university courses. Learn nature of roots of quadratic equation MCQs, online math learning, harmonic mean, double angle identities, nature of roots of quadratic equation test prep for online certifications.

Practice nature of roots of quadratic equation test with multiple choice question (MCQs): roots of quadratic equation x² - 6x + 10 = 0 are, with choices equal, imaginary, irrational, and real for online college degrees. Practice quadratic equations questions and answers for scholarships exams' problem-solving, assessment test.

## Quiz on Nature of roots of quadratic equation Worksheet 74Quiz Book Download

Nature of roots of quadratic equation Quiz

MCQ: Roots of quadratic equation x² - 6x + 10 = 0 are

- equal
- imaginary
- irrational
- real

B

Double Angle Identities Quiz

MCQ: Cotα-tanα =

- −2tan2α
- 2tan2α
- −2cot2α
- 2cot2α

B

Harmonic Mean Quiz

MCQ: If a^{n+1} + b^{n+1}/a^{n} + b^{n} is harmonic mean between a and b, then n =

- −1
- 1
- −2
- 0

C

Online Math Learning Quiz

MCQ: Cos(α - β) =

- cosαcosβ+sinαsinβ
- cosαcosβ+sinαsinβ
- sinαcosβ-cosαsinβ
- sinαcosβ+cosαsinβ

B

Algebra & Trigonometry Quiz

MCQ: Sin²2θ =

- 1 - cos²θ
- 1+cos²θ
- 1+cosθ
- 1 - cos²2θ

D