Writing Equations And Graphing Circles
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1
2
3
4Homework
4 .3
W riting
E quations
&
G raphing
C ircles
Answer
t he
f ollowing
q uestions
a s
s pecific
a s
p ossible.
1.
W hat
i s
t he
s tandard
f orm
o f
a
c ircle?
_ ___________________________________________
2.
W hat
i s
t he
c enter
o f
t he
c ircle
( from
s tandard
f orm
e quation)?
_ ___________________________________________
3.
W hat
i s
t he
r adius
o f
a
c ircle
( from
s tandard
f orm
e quation)?
_ ___________________________________________
4.
W hat
i s
t he
g eneral
f orm
o f
a
c ircle?
_ ___________________________________________
5.
W hat
t he
s tandard
f orm
o f
a n
e quation
o f
a
c ircle
w ith
a
c enter
( 3,
-‐ 2)
a nd
a
r adius
o f
4 .
6.
W hat
t he
s tandard
f orm
o f
a n
e quation
o f
a
c ircle
w ith
a
c enter
( 3,
-‐ 2)
a nd
a
d iameter
o f
1 0.
7.
W hat
t he
s tandard
f orm
o f
a n
e quation
o f
a
c ircle
w ith
a
c enter
( 2,
-‐ 9)
a nd
a
r adius
o f
11.
!
!
8.
F ind
t he
c oordinate
o f
t he
c enter
a nd
m easure
o f
t he
r adius
o f
! − 6
+ ! + 3
= 25.
Find
t he
c enter,
r adius
a nd
e quation
o f
t he
c ircle
u sing
t he
g raph.
9.
10.
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