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Mathematics
Mathematics
Problem
The equation to the chord of the circle
x
2
+
y
2
=
16
x^2 + y^2 = 16
x
2
+
y
2
=
16
which is bisected at
(
2
,
−
1
)
(2, -1)
(
2
,
−
1
)
is - (1)
2
x
+
y
=
16
2x + y = 16
2
x
+
y
=
16
(2)
2
x
−
y
=
16
2x - y = 16
2
x
−
y
=
16
(3)
x
+
2
y
=
5
x + 2y = 5
x
+
2
y
=
5
(4)
2
x
−
y
=
5
2x - y = 5
2
x
−
y
=
5
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