# The vertex of the parabola x2+8x+12y+4=0 at the point

1.  (-4, 1)

2.  (4, -1)

3.  (-4, -1)

4.  (4, 1)

4

(-4, 1)

Explanation :
No Explanation available for this question

# The line 4x + 6y + 9=0, touches the parabola y2=4x at the point

1.  (-3, 9/4)

2.  (3, -9/4)

3.  (9/4, -3)

4.  (-9/4, -3)

4

(9/4, -3)

Explanation :
No Explanation available for this question

# The eccentricity of the ellipse 5x2 + 9y2=1 is

1.  2/3

2.  3/4

3.  4/5

4.  1/2

4

2/3

Explanation :
No Explanation available for this question

# The product of the length of perpendiculars from the foci on any tangent to the ellipse x2/a2+ y2/b2 =1, is:

1.  9

2.  a2-b2

3.  b2

4.

4

b2

Explanation :
No Explanation available for this question

# The curve represented by X= 2( cos t + sin t ), y=( cos t - sin t ) is

1.  a circle

2.  a parabola

3.  an ellipse

4.  hyperbola

4

an ellipse

Explanation :
No Explanation available for this question

# The radius of the circle r2-2√2r(cos θ + sin θ)-5=0 is

1.  0

2.  3

3.  2

4.  5

4

3

Explanation :
No Explanation available for this question

# is equal to:

1.  0

2.  1/2

3.  -1

4.  1

4

1/2

Explanation :
No Explanation available for this question

# is equal to:

1.  loge3

2.  0

3.  1

4.  1/loge3

4

1/loge3

Explanation :
No Explanation available for this question

# If the function is continuous at x=0, then k is equal to:

1.  3

2.  6

3.  9

4.  12

4

6

Explanation :
No Explanation available for this question

1.  y(log102)2

2.  y(loge2)2

3.  yloge22

4.  yloge2

4