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Mathematics
Mathematics
Problem
Prove that the line through the point
(
x
1
,
y
1
)
(x_1, y_1)
(
x
1
,
y
1
)
and parallel to the line
A
x
+
B
y
+
C
=
0
Ax + By + C = 0
A
x
+
B
y
+
C
=
0
is
A
(
x
−
x
1
)
+
B
(
y
−
y
1
)
=
0.
A(x - x_1) + B(y - y_1) = 0.
A
(
x
−
x
1
)
+
B
(
y
−
y
1
)
=
0.
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