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Math 12 Chapter 6
Conic Section
Test - 1
1.
The point P(x
1
,y
1
) lies __________________ the circle if x
1
2
+ y
1
2
+2gx
1
+2fy
1
+C = 0.
a) Centre
b) Axis
c) On
d) of
2.
Length of tangent to the circle from a point (x
1
,y
1
) is = ________________.
a)
Ö
x
1
2
+ y
1
2
+2gx
1
+2fy
1
+C
b)
Ö
x
1
2
+ y
1
2
+2gx
2
+2fy
1
+C
c)
Ö
x
1
2
+ y
1
2
+2gx
1
+2fy
1
+C
3.
The point P(x
1
,y
1
) lies __________________ the circle if x
1
2
+ y
1
2
+2gx
1
+2fy
1
+C @0.
a) Centre
b) Ellipse
c) Outside
d) circumfrence
4.
(x-h)
2
+ (y-k)
2
= r
2
is an equation of circle with center ___________ and radius _____________
a) {(h,k), r}
b) {(h,r), k}
c) {(k,h), r}
d) {(h,k) - r}
5.
The point P(x
1
,y
1
) lies __________________ the circle if x
1
2
+ y
1
2
+2gx
1
+2fy
1
+C # 0.
a) Inside
b) Axis
c) Chord
d) outside
6.
A _____________________of a circle is chord containing the center of the circle.
a) Chord
b) Diameter
c) Centre
d) Axis
7.
A line segment whose end points lie on a circle is called a _________________
a) Ellipse
b) Chord
c) Centre
d) Axis
8.
xx
1
+ yy
1
+ g(x+x
1
) + f(y+y
1
) + C = 0 is the equation of ___________________ to the circle.
a) Tangent
b) Inside
c) Chord
d) Axis
9.
x
2
+ y
2
= r
2
is equation of circle with center ________________
a) Origin
b) Tangent
c) Circle
d) Axis
10.
x
2
+ y
2
+ 2gx + 2fy + c = 0 is a general form of an equation of a _____________________
a) Circle
b) Tangent
c) Inside
d) Outside
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