Question # 1

If (x, y) are the coordinate of a point ordered pair is called:

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Abscissa

Ordinate

Coordinate

Ordered pair

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

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Zero

Undefined

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

The line x = a is on the right of y - axis if:

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a > 0

a < 0

a = 0

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

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|ax + by| = |-c|

[ax + by ] = [c]

[ax - by] = [-c]

The symbol | | is used for:

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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

The perpendicular distance of the line 3x + 4y + 10 = 0 from the origin is:

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0

1

2

3

If the inclination of the line l lies between ]0°, 90°[, then the slope of l is:

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Positive

Negative

Undefined

None of these

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

The point of intersection of the medians of a triangle is called:

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Centroid

Ortho-center

Circums-center

In-center

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

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

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y = 0

y = -1

y = 1

x = 0

X-coordinate of any point on Y-axis:

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0

x

y

1

The point of intersection of the altitudes of a triangle is called:

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Centroid

Ortho-center

Circums-center

In-center

Equation of a line parallel to x-axis:

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x = 0

x = y

y = a

x = a

The equation of a straight line which parallel to the line 3x - 2y + 5 = 0 and passes through (2, -1) is:

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3x + 2y - 8 = 0

3x - 2y + 8 = 0

3x - 2y - 8 = 0

3x + 2y + 8 = 0

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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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0

2

1

-1

A quadrilateral having two parallels and two non-parallel sides is called:

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Trapezium

Rectangle

Rhombus

None of these

A parallelogram is a rhombus if and only if its diagonals are:

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Parallel

Perpendicular

Equal

None of these

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