Question # 1

The nature of roots depends on the value of:

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-b+4ac

b²+4c

b²-4ac

-b+4ac²

Product of the roots of the equation 3x²-5x+7=0:

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3⁷

7³

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2

1

0

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

Roots of the equation 4x²-5x+2=0 are:

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Irrational

Imaginary

Rational

None of these

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2

1

Synthetic division is simply a short cut of:

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H.C.F

L.C.M

Long division method

Factorization

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P(Product of the roots)

S (Sum of the roots)

D (Difference of the roots)

R (Ratio of the roots)

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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

The discriminant of quadratic equation is:

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b²-4ac

-b²+4ac

If b²-4ac>0 and is a perfect square, then roots are:

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Rational and equal

Rationaland unequal

Irrationaland equal

Irrationaland unequal

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4

3

1

0

In equation ax²+bx+c=0, a and b are:

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Constants

Co-efficients

Variables

Factors

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bc

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