Question # 1

If the lien l is parallel to y-axis, then the slope of l is ----------------.

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0

1

-1

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If the equation of the parabola is y2 = 4ax, then opening of the parabola is to the right of the:

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x-axis

y = x

y-axis

x + y =0

An angle in a semi-circle is:

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0°

90°

180°

60°

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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cosec x + c

-cosec x + c

cot x + c

- cot x + c

A line that touches the curve without cutting through it is called:

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Straight line

Tangent line

Normal line

Vertical line

X-co-ordinate of centroid of triangle ABC with A(-2, 3); B(-4, 1); C(3, 5) equals:

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-1

1

3

-3

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0

A function, in which the variable appears as exponent (power), is called a / an -------- function.

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Constant

Explicit

Exponential

Inverse

The vertical line y'oy is called:

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x-axis

y-axis

abscissa

Ordinate

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

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a

4a

2a

None of these

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4a

2a

4b

2b

The set of all points in the plane that are equally distant from a fixed point is called a / an:

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Circle

Circular cone

Ellipse

Point circle

y = -2 is a line:

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Parallel to x-axis

Parallel to y-axis

Perpendicular to x-axis

None of these

The law of parallelogram of addition was used by Aristotle to describe the combined action of :

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One force

Two forces

Three forces

Four forces

A pair of lines of homogeneous second degree equation ax² + 2hxy + by² = 0 are othogonal, if:

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a - b = 0

a + b = 0

a + b > 0

a - b < 0

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x = a

x = 2

x = 0

None

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Line parallel to x - axis

Line parallel to y - axis

Inclined

Both (a) and (b)

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

If s is the distance traveled by a body at time t, the velocity is given by the expression:

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Inverse hyperbolic functions are expressed in terms of natural:

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Numbers

Exponential

Logarithms

Sines

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