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Mathematics
Mathematics
Problem
Which of the following equations correctly represents a straight line that passes through a fixed point
(
x
1
,
y
1
)
(x_1, y_1)
(
x
1
,
y
1
)
and is parallel to the line
y
=
m
x
+
c
y = m x + c
y
=
m
x
+
c
? a)
y
−
y
1
=
−
1
m
(
x
−
x
1
)
y - y_1 = -\dfrac{1}{m}(x - x_1)
y
−
y
1
=
−
m
1
(
x
−
x
1
)
b)
y
=
m
(
x
−
x
1
)
+
c
y = m(x - x_1) + c
y
=
m
(
x
−
x
1
)
+
c
c)
y
−
y
1
=
m
(
x
−
x
1
)
y - y_1 = m(x - x_1)
y
−
y
1
=
m
(
x
−
x
1
)
d)
y
−
y
1
=
m
(
x
+
x
1
)
y - y_1 = m(x + x_1)
y
−
y
1
=
m
(
x
+
x
1
)
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