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

Nature of roots of quadratic equation quiz questions and answers, nature of roots of quadratic equation MCQs with answers PDF 97 to practice math mock tests for online graduate programs. Practice "Quadratic Equations" quiz questions with answers, nature of roots of quadratic equation Multiple Choice Questions (MCQs) for online college degrees. Free nature of roots of quadratic equation MCQs, triple angle identities, complex numbers, complementary combination, resolution of a rational fraction into partial fraction, nature of roots of quadratic equation test prep for colleges that offer online classes.

"If 9x² + kx + 16 is a perfect square, then k =", nature of roots of quadratic equation Multiple Choice Questions (MCQs) with choices *−24, 24, ±24, and 0* for two year degree programs. Practice quadratic equations questions and answers to improve problem solving skills for online colleges for teaching.

## Quiz on Nature of roots of quadratic equation PDF Download eBook

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

- 24
- −24
- ±24
- 0

C

MCQ: The partial fractions of 1/(x+1)(x² - 1) will be of the 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

MCQ: The 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

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

- 3
- 3ι
- 2
- 2ι

A

MCQ: 2sin7θcos3θ =

- tan2θtanθ
- cot2θcotθ
- −tan2θtanθ
- sin10θ+sin4θ

D