Derive the Equation of a Circle
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
What is the standard form after completing the square for
x
2
+
y
2
−
4
x
+
14
y
+
29
=
0
x^2+y^2-4x+14y+29=0
x
2
+
y
2
−
4
x
+
14
y
+
29
=
0
?
QUESTION
What are the center and radius of
x
2
+
y
2
+
8
x
+
2
y
−
8
=
0
x^2+y^2+8x+2y-8=0
x
2
+
y
2
+
8
x
+
2
y
−
8
=
0
?
QUESTION
What is the standard form of
x
2
+
y
2
+
2
x
−
8
y
+
5
=
0
x^2+y^2+2x-8y+5=0
x
2
+
y
2
+
2
x
−
8
y
+
5
=
0
?
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ANSWER
(
x
+
1
)
2
+
(
y
−
4
)
2
=
12
(x+1)^2+(y-4)^2=12
(
x
+
1
)
2
+
(
y
−
4
)
2
=
12
. From general form after completing the square.
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