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Math 12 Chapter 6
Conic Section
Test - 12
1.
Eccentricity of the ellipse is………..
a) a / c
b) c / a
c) ac
d) None
2.
Centre of the ellipse: (x+1)
2
/4 + (y + 1)
2
/2 = 1 is ----
a) (1, 1)
b) (-1, 1)
c) (-1, -1)
d) (1, -1)
3.
With usual notation: the points A and A' are called…… of the ellipse
x
2
/ a
2
+ y
2
/ b
2
= 1
a) Vertices
b) Co-vertices
c) Transverse
d) Conjugate
4.
Length of Latus rectum of the ellipse is ……
a) 2a
2
/ b
b) 2a / b
2
(c)
c) 2b
2
/ a
d) 2b / a
2
5.
In hyperbola x
2
/ a
2
– y
2
/ b
2
= 1; c
2
= …………
a) a
2
–
b
2
b) a
2
+
b
2
c) b
2
–
a
2
d)
√
a
2
-b
2
6.
A conic is hyperbola if h2 – ab ……0
a) =
b) >
c) <
d) ≥
7.
The mid point C of the foci F and F' is called the …….. of the ellipse
a) Vertex
b) Centre
c) Focus
d) Directrix
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