Question # 1

What is the axis of the parabola y²= 4ax?

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x = 0

y = 0

x = a

y = 0

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28 / 81

28 / 243

81 / 28

243 / 82

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-x

Infinite set

{-4, 4}

None of these

The towers each 120 meters high are 800 meters apart. The measure of the angle of elevation from the base of one tower to the top of the other is

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12^𝜊

9^𝜊

7^𝜊

-120^𝜊

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If (0,4) and (0,2) are vertex and focus of the parabola respectively, the the equation of the parabola is:

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x² = 4y -32

x² =8y -32

y³ = 16 x

x2 + 8y =32

Sin^-1(-x)=

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Cos^-11/x

- Sin^-1X

Cot^-1X

None of these

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Y = -x log x -x + c

Y = x log x + x

Y = x log x - x + c

None of these

Equation of normal to the circle x2 + y2 =25 at (5cosθ,5sinθ)

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xcosθ+ysinθ =5

xcosθ -ysinθ =0

xsinθ -ycosθ =0

None of these

IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

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The axis of the parabola y² = 4ax is

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x =0

Y =0

X = y

X = -y

1/x² -1 = ? (in case of making partial fraction)

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Ax +B/x² -1

A/x + B/ x- 1

A/ x+1 + B/x-1

None

Which is not a half plane

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ax + by < c

ax + by > c

Both A and B

None

Corola available in 5 models 8 colours and 3 sizes how many Corola must a local dealer have no hand in order to have one of each kind avialable?

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24

120

16

39

If f (x) = x/x²- 4 then which is not included in the domain of f(x)

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0

-2

1

4

A sequence of numbers whose reciprocals forms an arithmetic sequence is called

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Harmonic series

Arithmetic series

Harmonic sequence

Geometric sequence

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

The range of inequality x + 2 > 4 is

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(-1,2)

(-2,2)

(1,∞)

None

120° degrees are equal to how many radians?

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π/3 radians

2π/3 radians

π/4 radians

π/2 radians

If y = sin(ax + b) then fourth derivative of y with respect to x=

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a⁴ cos (ax + b)

a⁴ sin (ax + b)

-a⁴ sin(ax +b)

a4 tan (ax + b)

AreCot √3 =?

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π/2

π

2π

π/6

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