Question # 1

If a = 7, b = 8 and c = 1 then b²-4ac is equal to:

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33

34

35

36

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1

0

Cube roots of -1 are:

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

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Irrational

Rational

Imaginary

None of these

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9

7

5

3

The discriminant of quadratic equation is:

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b²-4ac

-b²+4ac

if a=1, b=-3 and c= 3, then discriminant is:

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3

-2

2

-3

If a = -2, b = -1 and c = -1, then discriminant is equal to:

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17

-17

-7

7

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The nature of the root of equation x²-5x+5=0

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Rationaland equal

Irrationaland unequal

Irrationaland equal

Rationaland unequal

The Discriminant of ax²+bx+c=0 is:

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b²-4ac

b²⁺4ac

-b²⁺4ac

-b²-4ac

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1

-1

0

2

If b²-4ac > 0 and is not a perfect square, then roots are:

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Rationaland unequal

Irrationaland equal

Rationaland equal

Irrationaland unequal

Product of roots of equation 5x²+3x-9=0:

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The value of i is equal to:

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If b²-4ac = 0, then roots are:

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Rationaland equal

Irrationaland equal

Irrationaland unequal

Rational and unequal

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Mathematics 10th Class English Medium Unit 2 Online Test MCQs With Answers

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