Question # 1

A solution of a linear inequality in x and y is an ordered pair of numbers, which _______ the inequality.

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Does not satisfy

May be stisfied

Satisfies

None of these

x = 4 is the solution of inequality:

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x + 3 > 0

x - 3 < 0

-2x + 3 > 0

x + 3 < 0

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0

1

-1

2

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) = x³ + sin x, then f(x) is:

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Even function

Odd function

Power function

None of these

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

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0

2

1

4

Inverse hyperbolic functions are expressed in terms of natural:

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Numbers

Exponential

Logarithms

Sines

If the directed distances AP and PB have the opposite signs, i.e; p is beyond AB, then their ratio is negative and P is said to divide AB:

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Internally

May divide

Externally

None of these

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x = a

for all x

x = 0

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Position vector of O

Position vector of P

Unit vector

Null vector

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

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Constant

Explicit

Exponential

Inverse

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2

1

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sin x

cos x

sinh x

cosh x

y-coordinate of any point on X-axis:

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0

x

y

1

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

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x = a

x = 2

x = 0

None

If the equation of the parabola is y² = - 4ax, then opening of the parabola is to the ______ of the y-axis:

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Left

Upward

Right

Downward

Parametric equations x = a cos t, y = a sin t represent the equation of:

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Line

Circle

Parabola

Ellipse

The vertical line y'oy is called:

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x-axis

y-axis

abscissa

Ordinate

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General form of equation of line is:

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ax - by + c = 0

ax + by - c = 0

ax + by + c = 0

ax - by - c = 0

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