Question # 1

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

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Centroid

Ortho-center

Circums-center

In-center

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

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a > 0

a < 0

a = 0

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

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Abscissa

Ordinate

Coordinate

Ordered pair

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

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y = 0

y = -1

y = 1

x = 0

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

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Positive

Negative

Zero

undefined

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0

2

1

-1

The distance between two points P₁ (x₁, y₁) and P₂ (x₂, y₂) on the co-ordinate plane 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 coordinate axes divide the plane into------------ equal parts:

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1

2

3

4

The distance between the points (1, 2), (2, 1).

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1

2

A linear equation in two variables represents:

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Circle

Ellipse

Hyberbola

Straight line

Equation of the line parallel to x + 3y - 9 = 0 is:

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3x - y - 9 = 0

3x + 9y + 7 = 0

2x - 6y - 18 = 0

x - 3y + 9 = 0

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

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Parallel

Perpendicular

Equal

None of these

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

Two non parallel lines intersect each other at:

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1 point

2 points

3 points

4 points

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Line parallel to x - axis

Line parallel to y - axis

Inclined

Both (a) and (b)

The centroid of a triangle is a point that divides each median in the ratio:

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2 : 1

2 : 3

1 : 3

4 : 3

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

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y = 1

y = 0

y = -1

y = 2

Equation of a line parallel to x-axis:

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x = 0

x = y

y = a

x = a

The ratio in which the line segments joining (2, 3) and (4, 1) is divided by the line joining (1, 3) and (4, 3) is:

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2 : 1

3 : 1

1 : 2

1 : 1

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