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

Learn nature of roots of quadratic equation quiz, online college math test 74 for online courses, distance learning. Free math MCQs questions and answers to learn nature of roots of quadratic equation MCQs with answers. Practice MCQs to test knowledge on nature of roots of quadratic equation, double angle identities, harmonic mean, online math learning, algebra and trigonometry for online basic math course test.

Free nature of roots of quadratic equation course worksheet has multiple choice quiz question as roots of quadratic equation x² - 6x + 10 = 0 are with options equal, imaginary, irrational and real with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study quadratic equations multiple choice questions based quiz question and answers.

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

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