Question # 1

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

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-16b²

16b²

-4b²

4b²

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

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-16b²

16b²

4b²

-4b²

Factorize 5x2-17xy - 12y²are:

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

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

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

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

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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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

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)

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)

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

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

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-6

6

-18

18

The 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 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)

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 a⁴-4b⁴ are:

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(a-b),(a+b),(a2+4b²)

(a²-2b²),(a²+2b²)

(a-b),(a+b),(a^2-4b²)

(a-2b),(a²+2b²)

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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