Question # 1

The operation _______ by a positive constant to each side of inequality will affect the order (or sense) of inequality:

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Adding

Subtracting

Multiplying

None of these

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Implicit

Explicit

Exponential

Logarithmic

A null vector is defined as a vector whose magnitude is:

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1

2

0

None of these

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

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0

1

-1

undefined

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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

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

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x = a

for all x

x = 0

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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

The range of the function f(x) = |x|

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

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|ax + by| = |-c|

[ax + by ] = [c]

[ax - by] = [-c]

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0

2

1

3

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cot x

- cot x

cosec x cot x

-cosec x cot x

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

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The ratio in which x-axis divides the line segment joining the points:

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1 : 1

1 : 3

1 : 5

1 : 2

Which one is an identity function ?

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f(x) = g(x)

f (x) = x

f(x) = 1

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e^ax

f(x)

e^axf(x)

e^{ax + f(x)}

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cosec x + c

-cosec x + c

cot x + c

- 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

A circle is of radius 5 cm, the distance of a chord 8 cm long from its center is:

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4 cm

3cm

2.5cm

3.4cm

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