Question # 1

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

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Functions

Member

Elements

Factors

What will be added to complete the square of 9a²-12ab ?

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-16b²

16b²

4b²

-4b²

Factors of 3x²-x-2 are:

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(x+1),(3x-2)

(x+1),(3x+2)

(x-1),(3x-2)

(x-1),(3x+2)

The factors of x²-7x+12:

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(x+3)(x+4)

(x-3)(x-4)

(x+3)(x-4)

(x-3)(x+4)

Factorize 3x²-75y²

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(x+3)(x+75y)

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

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

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

Factorize x²-11x-42:

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(x+14)(x+3)

(x-14)(x-3)

(x+14)(x-3)

(x-14)(x+3)

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Factors of x²-5x+6 are:

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(x+1),(x-6)

(x-2),(x-3)

(x+6),(x-1)

(x+2),(x+3)

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

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

(5x-4)²

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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Mathematics 9th Class English Medium Unit 5 Online Test MCQs With Answers

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