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Math 12 Chapter 6
Conic Section
Test - 6
1.
If eccentricity e > 1 then conic is:
a) Parabola
b) Circle
c) Ellipse
d) Hyperbola
2.
For hyperbola 4x
2
-9y
2
-32x+36y-8 = o If center is:
a) (4, 2)
b) (-2, -4)
c) (2, -4)
d) (-2, 4)
3.
Equation of tangent t
1
x
2
/a
2
- y
2
/b
2
= 1 which makes an angle 45
o
with x-axis is:
a) None of these
b) y = x + -
Ö
a
2
+b
2
c) y = x + -
Ö
a
2
+b
2
d) y = 2x + -
Ö
a
2
+b
2
4.
Eccentricity (e) of an ellipse x
2
+4y
2
= 16 is:
a) 2/
Ö
3
b)
Ö
3 / 2
c) -
Ö
3 / 2
d) -2 /
Ö
3
5.
Foci of an ellipse x
2
+4y
2
= 16 is:
a) (+ - 3
Ö
2)
b) (0, + - 2
Ö
3)
c) (0, + - 3
Ö
2)
d) (+ - 2
Ö
3)
6.
For hyperbola x
2
/4 + y
2
/a = 1 vertices are:
a) (0, 0)
b) (0, + - 2)
c) None of these
d) (+ - 2, 0)
7.
Equ. of ellipse with vertices (+ - 5, 0) and end of memoir axis (0,+ - 1) is:
a) x
2
/1 + y
2
/5 = 1
b) x
2
+ 25y
2
= 25
c) x
2
/5 + y
2
/1 = 1
d) None of these
8.
Equ. of major axis of ellipse x
2
/a
2
+ y
2
/b
2
= 1 is:
a) y = 0
b) y = a
c) x = a
d) x = a
9.
Ends of latus rectum of hyperbola 16y
2
- 9x
2
= 144 are:
a) (+3, 4/3)
b) (+ - 16/3, + - 3)
c) (+ - 3, 16/3)
d) None of these
10.
Vertex of an ellipse x
2
+4y
2
= 16 is:
a) (+ - 4, 0)
b) (+ - 2, 0)
c) (0, + - 2)
d) (0, + - 4)
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