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WorksheetsCircles Review
Total questions: 14
Worksheet time: 10mins
Name
Class
Date
1.
Lines AO and BO are tangent. What is the measure of BO?
a)
20
b)
15
c)
10
d)
5
2.
Two tangents of a circle that meet outside of the circle at one point are _________.
a)
congruent
b)
perpendicular
c)
the same
3.
A segment whose endpoints lie on a circle is a _______.
a)
tangent
b)
chord
c)
diameter
d)
secant
4.
A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.
a)
tangent
b)
secant
c)
chord
d)
radius
5.
A line that intersects a circle at two points is a ______________.
a)
tangent
b)
secant
c)
diameter
d)
chord
6.
A tangent is a line that touches a circle at just one point and forms a right angle with the circle's radius.
a)
True
b)
False
7.
find the measure of y
a)
30
b)
60
c)
90
d)
180
8.
What is the radius?
a)
18
b)
72
c)
38
d)
14
9.
What is the equation of a circle with radius 6 and center (-2, 7)?
a)
(x+2)2 + (y-7)2 = 6
b)
(x-2)2 + (y+7)2 = 6
c)
(x-2)2 + (y+7)2 = 36
d)
(x+2)2 + (y-7)2 = 36
10.
What is the equation of the circle?
a)
(x+1)2 + (y +1)2 = 3
b)
(x+1)2 + (y -1)2 = 3
c)
(x+1)2 + (y +1)2 = 9
d)
(x-1)2 + (y -1)2 = 9
11.
In the equation (x-3)2+(y-2)2=16, the center of the circle is...
a)
(3,2)
b)
(-3, -2)
c)
(-2, -3)
d)
(2, 3)
12.
In the equation (x+2)2+(y-3)2=4, the radius of the circle is...
a)
4
b)
2
c)
3
d)
16
13.
In order to convert from General form of a circle to Standard form, you must ___________.
a)
Multiply out
b)
expand
c)
factor
d)
complete the square
14.
How can we find the General Form of a circle if given the equation in Standard form?
a)
divide out the standard form
b)
multiply out (distribute) the Standard form
c)
You can't find it
d)
Use the center and radius to plug the values into the format
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