Question # 1

The standard parabolic form of the equation f(x) = x² +4 x +1 is

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x(x+4)+1

(x+2)²-3

(x+4)³ + 9

x(x-2)²+1

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

If Cosθ=0, thenθ= ______

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(4n + 1)π/2

If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

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x is function of y

y is a function of x

y is independent variable

x is real valued function

A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

Which of the following integrals can be evaluated

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The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

0

Does not exist

x²+ x - 5 = 0 is

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A polynomial

An inequality

An identity

None

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QUQ'

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What is the value of cos-1(1/2)?

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π/3

π/4

3π/2

π/6

The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

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none of these

The general term of the A.P. is

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a₁+ (n - 1) d

n + (a₁- 1) d

d + (n - 1) a₁

None of these

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all are correct

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The span of a standard parabola depends upon

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x

a

y

y2

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The horizontal distance between the two towers is 60 m. the angular elevation of the top of the taller tower as seen from the top of the shorter one is 30°. If the height of the taller tower is 150 m, the height of the shorter one is

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116 m

200 m

216 m

None of these

∀ a ε R ∃ o ε R such that a + v = 0 + a = a is property of

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

Which of the following is factor of p(x) =2x3 +3x2+3x+2 ?

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x+1

2x+1

3x+1

2x-1

The exact value of cos-1 (0) is

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π/2

-π/2

3π

π-π/6

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If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

3j . k x i

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0

1

3

9

A quadrilateral whose diagonals are perpendicular bisector of each other is

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Square

Rectangle

Rhombus

Parallelogram

Trapezium

The point ________ is in the solution of the inequality 2x - 3y < 4

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(0, -2)

(1, -3)

(2, 2)

(3, 0)

In one hour, the hour hand of a clock turns through

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