Question # 1

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

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y = 0

y = -1

y = 1

x = 0

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

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Centroid

Ortho-center

Circums-center

In-center

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2

If a = 0, then the line ax + by + c = 0 is parallel to:

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y - axis

x - axis

along y - axis

None of these

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

If (2, 1) is the mid point of the line segment joining the points (2, x) & (2, -5) then x =

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1

2

7

-7

The horizontal line x' ox is called:

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x-axis

y-axis

abscissa

ordinate

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

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Abscissa

Ordinate

Coordinate

Ordered pair

The point (5, 8) lies the line 2x - 3y + 6 = 0

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Above

Below

On

None

The symbol | | is used for:

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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

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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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

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 pair of lines of homogeneous second-degree equation ax² + 2hxy + by² = 0 are real and coincident, if:

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h² < ab

h²> ab

h²= ab

None of these

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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

Distance of the point (-2, 3) from y-axis is:

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-2

2

3

1

y = 2x + 3 is the;

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Slope-intercept form

Two points form

Point slope form

Intercepts form

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Parallel lines

Non-parallel lines

Perpendicular lines

Coplanar lines

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

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Zero

Undefined

The coordinate axes divide the plane into------------ equal parts:

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1

2

3

4

y = -2 is a line:

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Parallel to x-axis

Parallel to y-axis

Perpendicular to x-axis

None of these

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