Question # 1

The symbol | | is used for:

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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

Angle between the lines x + y + 1 = 0 & x - y + 4 = 0 is:

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30°

45°

60°

90°

If a straight line is perpendicular to y-axis, then its slope is:

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1

-1

0

undefined

The coordinate axes divide the plane into------------ equal parts:

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1

2

3

4

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

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Constant

Explicit

Exponential

Inverse

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

The ratio in which y-axis divides the line joining (2, -3) and (-5, 6) is:

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2 : 3

2 : 5

1 : 2

3 : 5

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ln |sec x + tan x | + c

ln |cosec x - cot x | + c

ln |sec x - tan x | + c

ln |cosec x + cot x | + c

x = a is a vertical line perpendicular to __________.

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x - axis

x - axis may be

y - axis

None of these

The condition for the line y = mx + c to be a tangent to the circle x² + y² = a² is c = _____________:

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A region, which is restricted to the ________ quadrant, is referred to as a feasible region for the set of given contraints.

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First

Third

Second

Fourth

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0

2

1

-1

The two parts of a right circular cones are called:

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Nappes

Apex of the cone

Generator

Vertex

The center of circle x² + y² + 2gx + 2fy + c = 0 is:

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(-g, -f)

(-f, -g)

(0, 0)

(g, f)

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Equation of axis of the parabola x² = 4ay is:

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x = 0

x = a

y = 0

y = a

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

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x = a

x = -a

y = a

y = -a

Two vectors are equal if they:

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Pass through the same point

Are parallel to each other

Are parallel to each other and have same direction

Have equal magnitude and have same direction

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0

4

7

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