Question # 1

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Line

Parabola

Ellipse

Hybperbola

The curves obtained by cutting a __________ double right circular cone by a _______ are called conics:

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Straight line

Plane

Curve

None of these

-4 < y < 4 is the solution of the following:

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y = 5

y = 3

y = -4

y = 4

If y = sin x then dy =

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cosy dx

cos x

cosx dx

cos xdy

The radius of point circle is:

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0

(0, 0)

r

1

Measure of the central angle of a minor arc is ____ the measure of the angle subtended in the corresponding major arc.

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Equal

Double

Not equal to

Triple

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°

ax + by + c = 0 has matrix from as:

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|ax + by| = |-c|

[ax + by ] = [c]

[ax - by] = [-c]

If (x, y) are the coordinate of a point ordered pair is called:

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Abscissa

Ordinate

Coordinate

Ordered pair

The axis of the parabola y² = 4ax is:

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x = 0

x = a

y = 0

y = a

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

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x² = 4ay

-x²= 4ay

-y²= 4ax

y²= 4ax

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

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If the inclination of the line l lies between ]0°, 90°[, then the slope of l is:

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Positive

Negative

Undefined

None of these

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

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x = a

x = -a

y = a

y = -a

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Circle

Parabola

Hyperbola

Ellipse

Which are the following triples can be direction angles of a single vector:

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45°,45°,60°

30°,45°,60°

45°,60°,60°

30°,30°,30°

ax + by + c = 0, will represent equation of straight line parallel y-axis if:

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a = 0

b = 0

c = 0

a = 0, c = 0

Zero vector is perpendicular to:

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Every vector

Unit vector only

Position vector only

Not any vector

The graph of the parabola x² = -4ay is symmetric about:

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x-axis

major axis

y-axis

minor axis

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

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Constant function

Absolute linear function

Linear function

Quadratic function

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