Question # 1

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 discriminant of quadratic equation is:

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b²-4ac

-b²+4ac

Synthetic division is simply a short cut of:

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H.C.F

L.C.M

Long division method

Factorization

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

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Rationaland equal

Irrationaland unequal

Irrationaland equal

Rationaland unequal

The product of roots, of equation 5x²+(7-2m) x + 3 = 0 will be:

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The discriminant of x²+8x+16=0:

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4

3

2

0

Roots of following equation are: 9x²-4x+1=0:

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Real, Equal

Real, Unequal

Imaginary

Irrational

Roots of the equation 4x²-5x+2=0 are:

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Irrational

Imaginary

Rational

None of these

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The discriminant of x²-3x+3=0 is:

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-3

3

-2

2

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The nature of roots in equation 7x²+8x+1=0 is:

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Rational and unequal

Irrational and unequal

Rationaland equal

Irrationaland equal

Find k, if the roots are equal in (k+3)x²-2(k+1)x-(k+1)=0:

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2, -1

-2,-1

-2,1

2,1

If (x+1)(7x+1) = 0 then x is equal to:

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

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