Question # 1

For all points (x,y) in third quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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1

2

-1

0

The foot of perpendicular from (α,β,γ) only y-axis is

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(α, 0, 0)

(0,β, 0)

(0, 0, γ)

(0, 0, 0)

If distance between (3,b) and (0,0) is 3 then b = _______

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3

9

0

The distance of the points (3, 4, 5) from y-axis is

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The mid point of the line joining the points P(x₁, y₁) and Q(x₂, y₂) is

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If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then

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h=2a

h=a+b

h=ab

h=ac

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

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0

1

The distance of the point (-2, -3) from the origin is

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2

-5

-3

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If origin is the mid point of (a, -3) and (-5, b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

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0

1

The distance of the point (-2 , -3) from y-axis is

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2

-2

3

-3

If d₁is the distance between (0,0) and (1,2) and d₂is the distance between (0,0) and (2,1) then

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d₁= d₂

d₁<d₂

d_1>d₂

none of these

The direction cosines of any normal to the xy-plane are

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<1, 0, 0>

<0, 1, 0>

<1, 1, 0>

<0, 0, 1>

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The measure of the acute angle between the lines represented by x2 -xy -6y2 =0 is

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120°

30°

130°

45°

The point of concurrency of the medians of a triangle is called

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incentre

circumcentre

e-centre

centroid

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Mathematics ECAT Pre Engineering Chapter 18 Analytic Geometry Online Test MCQs With Answers

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