Question # 1

Which one is radical equation:

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ax² + bx + c

ax + b = 0

2^x = 16

If the sum of the roots of ax² - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is:

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1

2

3

4

If 4^x = 2, then x equals:

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2

1

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)}

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i

For what value of k, the sum of the roots of the equation x² + kx + 4 = 0 is equal to the product of its roots:

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±1

4

±4

-4

The other name of quadratic equation is:

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linear equation

1st degree equation

2nd degree equation

none

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

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7

-7

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

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

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rational

irrational

equal

complex

Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

If α, ß are the roots of x² + kx + 12=0 such that α-ß = 1 then K = :

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0

±5

±7

±15

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

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3

2

1

4

Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

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linear equation

Quadraticequation

cubicequation

radicalequation

A numbers exceeds its square root by 6, the number is:

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6

3

9

none of these

Complex roots of real quadratic equation always occur in:

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conjugate pair

ordered pair

reciprocal pair

none of these

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1

0

2

3

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none of these

If the roots of x² - bx + c = 0 are two consecutive integers, then: b² - 4ac =

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0

1

-1

2

If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is:

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8

-2

4

5

Which one is exponential equation:

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ax² + bx + c = 0

ax + b = 0

2^x = 16

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