Question # 1

A chord passing through the focus of a parabola is called a ________ of the parabola:

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Directrix

Latus rectum

Focus

Focal chord

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sin x

-cos x

-sin x

cos x

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4

2

1

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

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x² = 4ay

y²= 4ax

-x²= 4ay

-y²= 4ax

The horizontal line x' ox is called:

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x-axis

y-axis

abscissa

ordinate

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

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0

1

-1

2

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domain

range

lower limit

upper limit

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

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0

1

2

Undefined

A function P(x) = 6x⁴ + 7x³ + 5x + 1 is called a polynomial function of degree -------- with leading coefficient -------.

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4, 6

2, 7

2, 3

2, 5

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

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The line y = a is below the x-axis, if:

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a > 0

a < 0

a = 0

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

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0

2

1

4

x = 3 cos t, y = 3 sin t represent

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Line

Circle

Parabola

Hyperbola

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R

R - {2}

R - {2, -2}

R - {-2}

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1

2

3

0

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

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-1

0

1

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

Cosh² x + Sinh² x =

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Cosh x²

Cosh 2x

Sinh 2x

Tanh 2x

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x = 0

y = -a

y = 0

y = -a

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