Question # 1

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

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Zero

Undefined

General form of equation of line is:

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ax - by + c = 0

ax + by - c = 0

ax + by + c = 0

ax - by - c = 0

The ratio in which y-axis divides the line joining (2, -3) and (-5, 6) is:

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2 : 3

2 : 5

1 : 2

3 : 5

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

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y = 0

y = -1

y = 1

x = 0

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Parallel lines

Perpendicular lines

Non-parallel lines

None of these

Point of intersection of x + y = 5 & x - y = 3 is:

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(5, 5)

(4, 2)

(4, 1)

(1, 4)

Angle between the lines x + y + 1 = 0 & x - y + 4 = 0 is:

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30°

45°

60°

90°

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Parallel lines

Non-parallel lines

Perpendicular lines

Coplanar lines

The horizontal line x' ox is called:

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x-axis

y-axis

abscissa

ordinate

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4

2

1

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

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0

1

2

3

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

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

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Positive

Negative

Zero

undefined

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

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a > 0

a < 0

a = 0

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

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1

2

3

4

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

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

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|ax + by| = |-c|

[ax + by ] = [c]

[ax - by] = [-c]

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

If the lien l is parallel to y-axis, then the slope of l is ----------------.

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0

1

-1

undefined

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2

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