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The MCQ If the roots of x² - 5x + a = 0 are equal, then a =: 25-may, ±25/4, 25-apr with "Nature of roots of quadratic equation" App Download (Free) to learn online training courses. Study nature of roots of quadratic equation quiz questions, download Google eBook (Free Sample) for GRE test prep classes.

## Nature of roots of quadratic equation MCQ Quiz : Math MCQs

MCQ 1: If the roots of x² - 5x + a = 0 are equal, then a =

A) 25-May
B) ±25/4
C) 25-Apr
D) None of Above

MCQ 2: If the roots of p² + qx + 1 = 0 are equal, then

A) q² - 4p = 0
B) q² + 4p = 0
C) p² - 4p = 0
D) p² + 4q = 0

MCQ 3: The roots of the quadratic equation ax² + bx + c = 0 are rational and equal if

A) b² - 4ac = 0
B) b² - 4ac > 0
C) b² - 4ac < 0
D) None of Above

MCQ 4: If the roots 3² + kx + 12 = 0 are equal, then k =

A) ± 12
B) 12
C) −12
D) 0

MCQ 5: The roots of the quadratic equation x² - 6x + 10 = 0 are

A) equal
B) imaginary
C) irrational
D) real

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