Class 10 math Practice Tests

Class 10 Math Online Tests

The *Discriminant Multiple Choice Questions (MCQ Quiz) with Answers PDF* (Discriminant MCQ PDF Download) e-Book to practice Grade 10 Math Tests. Learn Roots of Quadratic Equations Multiple Choice Questions and Answers (MCQs), Discriminant quiz answers PDF to learn online school courses. The *Discriminant MCQ App* Download: Free learning app for solution of quadratic equations, discriminant, complex cube roots of unity test prep for taking online classes.

The MCQ: *If b² - 4ac = 0, then roots of ax² + bx + c = 0 are;* "Discriminant" App Download (Free) with answers: Equal; Imaginary; Irrational; Rational; to learn online school courses. Solve Roots of Quadratic Equations Quiz Questions, download Google eBook (Free Sample) for free online courses.

**MCQ 1:** *If b² - 4ac < 0, then roots of ax² + bx + c = 0 are*

- equal
- irrational
- rational
- imaginary

d

**MCQ 2:** *If b² - 4ac = 0, then roots of ax² + bx + c = 0 are*

- equal
- imaginary
- irrational
- rational

a

**MCQ 3:** *If b² - 4ac > 0, and not a perfect square then roots of ax² + bx + c = 0 are*

- imaginary
- rational
- equal
- irrational

d

**MCQ 4:** *If b² - 4ac > 0, then roots of ax² + bx + c = 0 are*

- irrational
- real
- equal
- rational

b

**MCQ 5:** *Nature of the roots depends on the value of b² - 4ac is known as*

- discriminant
- square root
- quadratic formula
- completing square method

a

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