Question # 1

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

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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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

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

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y = 0

y = -1

y = 1

x = 0

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

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1

-1

0

undefined

The distance of any point P (x, y) from the origin O(0 , 0) is given by:

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X-co-ordinate of centroid of triangle ABC with A(-2, 3); B(-4, 1); C(3, 5) equals:

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-1

1

3

-3

The point of intersection of the perpendicular bisectors of a triangle is called:

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Centroid

Ortho-center

Circums-center

In-center

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

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y = 1

y = 0

y = -1

y = 2

If the inclination of a line lies between ]90°, 180°[, then the slope of line is :

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Positive

Negative

Zero

undefined

If the directed distances AP and PB have same signs, then their ratio is positive and P is said to divide AB:

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Internally

May be divide

Externally

None of these

y - y1 = m ( x - x1) is the equation of straight line in:

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Slope-intercept from

Point-slope from

Normal form

Intercepts form

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

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Trapezium

Rectangle

Rhombus

None of these

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

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a > 0

a < 0

a = 0

x = c is a line:

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Perpendicular to x-axis

Parallel to x-axis

Perpendicular to y-axis

None of these

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

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-2

2

3

1

The point (2, 5) lies the lie 3x - y + 1 = 0

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Above

Below

On

None

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Line parallel to x-axis

Line parallel to y-axis

Line passing through the origin

Both (a) and (b)

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y = mx + c is the equation of straight line in:

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Slope-intercept form

Two points from

Point slope form

Intercepts form

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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