Question # 1

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

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1

-1

0

undefined

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sec x tan x

- sec²x

-sec x tan x

sec²x

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0

1

2

4

y - ordinate of the centroid of triangle with vertices A(-2, 3) B(-4, 1), C(3, 2) is:

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3

1

2

0

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2 - 7

2 + 7

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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

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0

1

2

3

Cosh² x + Sinh² x =

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Cosh x²

Cosh 2x

Sinh 2x

Tanh 2x

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

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x-axis

major axis

y-axis

minor axis

For any point (x, y) on x-axis:

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y = 1

y = 0

y = -1

y = 2

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Unit Vector

Null vector

Position vector

None of these

y = b is a horizontal line perpendicular to ________:

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x - axis

y - axis may be

y - axis

None of these

If a function f is from a set X to a set Y, then set X is called the _______ of f:

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Domain

Range

Co-domain

None of these

The equ. of directrix of the parabola y² = -4ax is:

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x = a

x = - a

y = a

y = -a

Let f(x) = cos x, then f(x) is an:

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Even function

Odd function

Power function

None of these

The symbol y = f(x) i.e. y is equal to f of x, invented by Swiss mathematician-----------:

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Euler

Cauchy

Leibniz

Newton

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sin x

cos x

sinh x

cosh x

The center of circle (x+3)² + (y-2)² = 16 equals:

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(-3, 2)

(3, -2)

(3, 2)

(-3, -2)

Let f(x) = x³ + sin x, then f(x) is:

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Even function

Odd function

Power function

None of these

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