Question # 1

Factorize 5x2-17xy - 12y²are:

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(x+4y)(5x+13y)

(x-4y)(5x-3y)

(x-4y),(5x+3y)

(5x-4y)(x+3y)

Find m So that x²+4x+m is a complete square _______:

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8

-8

4

16

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)

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

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-16b²

16b²

-4b²

4b²

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)

Factors of 3x-3a + xy - ay are:

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(y+3)(x-a)

(y+3)(x+a)

(3+y)(x-a)

(3-y)(a-x)

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

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)

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)

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

Degree of polynomial 4x⁴+2x²y is:

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1

2

3

4

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

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-16y²

16y²

-4y²

4y²

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

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

(5x-4)²

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

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3

-3

2

-2

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

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-16b²

16b²

4b²

-4b²

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

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