Question # 1

Factors of 8x³+27y³:

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(2x+3y)(4x²-6xy+9y²)

(2x-3y)(4x²+6xy+9y²)

(2x-3y)(4x²-6xy-9y²)

(2x-3y)(4x²+6xy-9y²)

Medians of a triangle are ___________:

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Parallel

Concurrent

Opposite

Non-concurrent

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

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-16b²

16b²

-4b²

4b²

Aurther Cayley introduces theory of matrices in:

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1854

1856

1858

1860

The matrix M = [2 -1 7] is called:

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

Opposite sides are congruent in a __________:

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Triangle

Parallelogram

Trapezium

Rhombus

Obtuse angle triangle having ________ angles are greater then 90°:

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1

2

3

4

How many right angles a parallelogram has ________:

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0

1

2

3

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If Z₁ = a + bi and Z₂ = c + di then Z₁.Z₂ =

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ac + bdi

ac - bd

ac - bd + adi + bci

multiplication is not possible

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Associative

Distributive

Commutative

None

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A ____________ region is the union of a rectangle and its interior:

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Triangular

Parallelogram

Rectangular

None of these

A ray has _______ end points:

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1

2

3

4

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1

2

3

4

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