# Nature of roots of quadratic equation Quiz Questions and Answers 97 PDF Download

Learn nature of roots of quadratic equation quiz, online college math test 97 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, resolution of a rational fraction into partial fraction, complementary combination, complex numbers, triple angle identities for college competitive exams online preparation.

Free nature of roots of quadratic equation course worksheet has multiple choice quiz question as if 9x² + kx + 16 is a perfect square, then k = with options 24, −24, ±24 and 0 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 97

Nature of roots of quadratic equation Quiz

MCQ. If 9x² + kx + 16 is a perfect square, then k =

- 24
- −24
- ±24
- 0

C

Resolution of a rational fraction into partial fraction Quiz

MCQ. Partial fractions of 1/(x+1)(x² - 1) will be of form

- A/(x-1) + B/(x² + 1)
- A/(x + 1) +B/(x + 1) +C/(x-1)
- A/(x+1) +B/(x+1)² +C/(x-1)
- None of Above

C

Complementary Combination Quiz

MCQ. Value of ^{n}C_{r} + ^{n}C_{r+1} is

^{n+1}C_{r}^{n-1}C_{r}^{n}C_{r-1}^{n+1}C_{r+1}

D

Complex Numbers Quiz

MCQ. If z_{1} = 2 + ι, z_{2} = 2 + ι, then Im ( z_{1} + z_{2} )

- 3
- 3ι
- 2
- 2ι

A

Triple Angle Identities Quiz

MCQ. 2sin7θcos3θ =

- tan2θtanθ
- cot2θcotθ
- −tan2θtanθ
- sin10θ+sin4θ

D