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Mathematics
Mathematics
Problem
Find the centre of the circle represented by
2
x
2
+
2
y
2
−
4
x
+
8
y
−
6
=
0
2x^2 + 2y^2 - 4x + 8y - 6 = 0
2
x
2
+
2
y
2
−
4
x
+
8
y
−
6
=
0
. a)
(
1
,
2
)
(1, 2)
(
1
,
2
)
b)
(
1
,
−
2
)
(1, -2)
(
1
,
−
2
)
c)
(
−
1
,
2
)
(-1, 2)
(
−
1
,
2
)
d)
(
−
1
,
−
2
)
(-1, -2)
(
−
1
,
−
2
)
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