Question # 1

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

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{-1, 2}

{1, -2}

{-1, -2}

{1, 2}

Sum of all four fourth roots of unity is:

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1

0

-1

3

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

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

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

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6

3

9

none of these

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

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

No. of ways of solving a quadratic equation:

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1

3

2

4

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c = 0

b = 0, c = 0

In ax² + bx + c = 0, if b² - 4ac > 0 and perfect square the roots 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 one root of 2x² + ax + 6 = 0 is 2 then the value of a is:

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7

-7

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

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1

8

2

4

Synthetic division is a process of:

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division

subtraction

addition

multiplication

If 4^x = 2, then x equals:

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2

1

Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

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

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Mathematics FA Part 1 Chapter 4 Online Test MCQs With Answers

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