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9th Class Mathematics Chapter 5 Factorization English Medium KPK Boards Online Mcqs MCQs With Answers

Question # 1

Factorize 3x²-75y²

Choose an answer

(x+3)(x+75y)

3(x+25y)(x-25y)

3(x-25y)(x-25y)

3(x+5y)(x-5y)

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Question # 2

Factorize x²-11x-42:

Choose an answer

(x+14)(x+3)

(x-14)(x-3)

(x+14)(x-3)

(x-14)(x+3)

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Question # 3

If (x-1) is a factor of polynomial expression x³-kx²+11x-6 the value of k is:

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-6

-18

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Question # 4

When a polynomial has been written as a product consisting only of ___________factors, then it is said to be factored completely ?

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Prime

Natural

Rational

Irrational

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Question # 5

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

(5x+4)(5x-4)

(5x-4)²

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Question # 6

Choose an answer

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Question # 7

If x=-3 and y=-1 then the value of x³y will be:

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-27

-9

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Question # 8

What will be added in b⁴+64 to complete the square:

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-16b²

16b²

-4b²

4b²

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Question # 9

What will be added in 9x²-12xy to complete the square:

Choose an answer

-16y²

16y²

-4y²

4y²

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Question # 10

In ab + ac = a(b+c) then a and b + c are__________ of ab + ac:

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Functions

Member

Elements

Factors

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Question # 11

Choose an answer

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Question # 12

If (x-2) is a factor of polynomial expression x²+2kx+8 the value of k is:

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-3

-2

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Question # 13

If a polynomial P(x) can be expressed as P(x) = g(x) . h(x), then each of the polynomials g(x) and h(x) is called _____________of P(x):

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Element

Factor

Member

Function

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Question # 14

Factors of 8x3+27y3 are:

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(2x+3y),(4x2+9y2)

(2x-3y),(4x2-9y2)

(2x+3y),(4x2-6 xy+9y2)

(2x-3y),(4x2+6 xy+9y2)

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Question # 15

Find m so that 9a²-12ab + m is a complete square :

Choose an answer

-16b²

16b²

-4b²

4b²

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