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Math 12 Chapter 6
Conic Section
Test - 11
1.
If e = 1, then conic is hyperbola.
a) True
b) False
2.
ax
2
+2hxy+by
2
+2gx+2fy+c=0 represents a parabola if h
2
- ab = 0
a) False
b) True
3.
Eccentricity of the ellipse is e = c/a.
a) True
b) False
4.
There are four types of parabola.
a) True
b) False
5.
Direct ices of x
2
/a
2
+ y
2
/b
2
=1, a>b are y = + - c/e
2
.
a) True
b) False
6.
ax
2
+2hxy+by
2
+2gx+2fy+c=0 represents a pair of line if:
a) True
b) False
7.
In each ellipse length of major axis = 2a and length of minor axis = b.
a) False
b) True
8.
ax
2
+2hxy+by
2
+2gx+2fy+c=0 represents an ellipse or a circle if h
2
- ab # 0
a) True
b) False
9.
ax
2
+2hxy+by
2
+2gx+2fy+c=0 represents a hyperbola if h
2
- ab @ 0
a) False
b) True
10.
If y = mx + c touches y
2
= 4ax then c
ยน
a/m.
a) False
b) True
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