College Math Certification Exam Tests

College Math Practice Test 66

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The MCQs: *Roots of quadratic equation ax² + bx + c = 0 are rational and equal if;* "Nature of roots of quadratic equation MCQs" App (Android & iOS) with answers: B² - 4ac > 0; B² - 4ac = 0; B² - 4ac < 0; to learn distance learning courses. Practice Quadratic Equations Questions and Answers, Google eBook to download free sample for best online GRE prep class.

*The roots of the quadratic equation ax² + bx + c = 0 are rational and equal if*

- b² - 4ac = 0
- b² - 4ac > 0
- b² - 4ac < 0
- None of Above

a

*Cos147° =*

- −cos33°
- cos33°
- cos16°
- sin16°

a

*PɅ q Is true if both are true .This is known as*

- conjunction
- negation
- disjunction
- None of Above

*Sin12α =*

- 3cos³4α-4cos4α
- 4cos³4α-3cos4α
- 3sinα-4sin³4α
- 4sin4α-3sin³sin4α

c

*The A.M between x-3 and x+5 is*

- x-1
- x+1
- 2x-1
- 2x+2

b

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