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

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Practice nature of roots of quadratic equation career test with multiple choice question (MCQs): if 9x² + kx + 16 is a perfect square, then k =, for e-learning degree certificate with options 24, −24, ±24, 0 for online college classes. Learn quadratic equations questions and answers with problem-solving skills assessment test.

## Quiz on Nature of roots of quadratic equation Worksheet 97Quiz PDF Download

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