Question # 1

If r is the radius of any circle and C its center, then any point P(x₁, y₁) lies on the circle only if:

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|CP| < r

|CP| > r

|CP| = r

None of these

x = c is a line:

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Perpendicular to x-axis

Parallel to x-axis

Perpendicular to y-axis

None of these

Inclination of Y-axis or of any line parallel to Y-axis is:

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Zero

Undefined

The linear function f(x) = ax + b is an identity function if:

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a = 0, b = 1

a = 1, b = 0

a = 1, b = 1

a = 0, b = 1

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0

1

2

4

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cot x

- cot x

cosec x cot x

-cosec x cot x

The instantaneous rate of change of y with respect to x is given by:

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If any two vectors of scalar triple product are equal, then its value is equal to:

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0

1

-1

2

f (x) = x secx, then f(0)=

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-1

0

1

The line y = c is above the x - axis, if:

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c > 0

c < 0

c = 0

The number e denotes the _________ of the conic:

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Directrix

Vertex

Focus

Eccentricity

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

If the degree of a polynomial function is ------------, then it is called a linear function:

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0

1

2

3

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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0

1

-1

2

The region of the graph ax + by > c is called ______ half plane:

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Open

Boundary of

Closed

None of these

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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

The fixed point of the conic is called:

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Directrix

Vertex

Focus

None of these

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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The axis of the parabola y² = 4ax is:

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x = 0

x = a

y = 0

y = a

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