Question # 1

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree:

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m . n

m - n

m + n

m × n

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

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{(0,0)}

{(1,0)}

{(0,1)}

{(1,1)}

The roots of the equation 25x² - 30x + 9 = 0 are;

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rational

irrational

equal

complex

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

Sum of all three cube roots of unity is:

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1

-1

0

3

The ration of the sum and product of roots of 7x² - 12x + 18 = 0 is:

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7:12

2:3

3:2

7:18

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1

0

2

3

The roots of the equation:

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complex

irrational

rational

none of these

Sum of all four fourth roots of unity is:

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1

0

-1

3

If one root of 2x² + ax + 6 = 0 is 2 then the value of a is:

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7

-7

If α, ß are complex cube roots of unity, then 1 + αⁿ + ßⁿ = .......... where n is a positive integer divisible by 3:

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1

3

2

4

If 4^x = 2, then x equals:

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2

1

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none of these

The other name of quadratic equation is:

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linear equation

1st degree equation

2nd degree equation

none

Solution set of the equation x² - 3x + 2 = 0 is

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{-1, 2}

{1, -2}

{-1, -2}

{1, 2}

Synthetic division is a process of:

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division

subtraction

addition

multiplication

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c = 0

b = 0, c = 0

Sum of roots of ax² + bx + c = 0 is equal to product of roots only if:

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a+c=0

b+c=0

a+b=0

a+b+c=0

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linear equation

Quadraticequation

cubicequation

radicalequation

If the sum of the roots of the equation kx² - 2x + 2k = 0 is equal to their product, then the value of k is:

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1

2

3

4

Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

No. of ways of solving a quadratic equation:

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1

3

2

4

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