College Math Certification Exam Tests

College Math Practice Test 43

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The Trivia MCQ: *If a < 0, then the function ƒ(x) = ax² + bx + c has a maximum value value at;* "Relation b/w roots & the coefficients of quadratic equations" App (iOS & Android) with answers: X = -a/2b; X = a/2b; X = -b/2a; for GRE practice test. Study Quadratic Equations Questions and Answers, Google eBook to download free sample to learn online certificate courses.

MCQ 211:

*If a < 0, then the function ƒ(x) = ax² + bx + c has a maximum value value at*

- x = a/2b
- x = -a/2b
- x = -b/2a
- None of Above

c

MCQ 212:

*Cosα =*

- ±√(1 - cos2α)/2
- ±√(1+ cos2α);/2
- ±(√(1)+ sin2α)/2
- None of Above

b

MCQ 213:

*If f is a bijective function, then f ^{-1}ƒ(x)) =*

- 0
- 1
- 2
- x

d

MCQ 214:

*The period of csc(x) is*

- π
- 2π
- 3π
- 4π

b

MCQ 215:

*Cos20°cos40°cos80° =*

- ¹⁄
_{16} - ¹⁄
_{8} - ¹⁄
_{4} - None of Above

b

Measuring Angles Units MCQs

Homogeneous Linear Equations MCQs

Cube Roots of Unity MCQs

Arithmetic Progression MCQs

Examples of Permutation MCQs

Basic Function MCQs

Arithmetic Mean (AM) MCQs

Sum of n terms of a geometric series MCQs

Series in Maths MCQs

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