Question # 1

The vertical line y'oy is called:

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x-axis

y-axis

abscissa

Ordinate

Which one is an identity function ?

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f(x) = g(x)

f (x) = x

f(x) = 1

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Even

Odd

One-one

Zero

If 2 and 2 are x and y-components of a vector, then its angle with x-axis is:

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30°

45°

60°

90°

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

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Integration

Integrand

Constant of integration

None of these

The distance of any point P (x, y) from the origin O(0 , 0) is given by:

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General form of equation of line is:

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ax - by + c = 0

ax + by - c = 0

ax + by + c = 0

ax - by - c = 0

If the focus lies on the x-axis with coordinates F(a, 0) and directrix of the parabola is = - a then the equation of parabola is:

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x² = 4ay

y²= 4ax

-x²= 4ay

-y²= 4ax

The graph of the parabola y² = -4ax is symmetric about:

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x-axis

major axis

y-axis

minor axis

The focus of the parabola y²=-4ax is:

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(-a , 0)

(0, a)

(0, -a)

(a, 0)

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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

The point where the axis meets the parabola is called ________ of the parabola:

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Directrix

Vertex

Focus

Eccentricity

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36

42

48

12

Let f(x) = x², real valued function then domain of f is the set of all:

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Real numbers

Integers

Positive numbers

Natural numbers

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Common logarithmic

Natural logarthmic

Exponential

None of these

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ln |sin x|

- ln |sin x|

ln |cos x|

-ln |cos x|

The equation of the latus-rectum of the parabola y² = 4ax is:

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x = a

x = -a

y = a

y = -a

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Volume of the tetrahedron

Volume of the parallelepiped

Volume of the triangle

None of these

The focus of the parabola x2=-4ay is:

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(-a , 0)

(0, a)

(0, -a)

(a, 0)

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