y
=
2
x
+
1
Explanation:
Well if the slope is the gradient you have the formula
y
−
y
1
=
m
(
x
−
x
1
)
so the equation of the line becomes:
y
−
3
=
2
(
x
−
1
)
⇒
y
−
3
=
2
x
−
2
y
=
2
x
+
1
(in
y
=
m
x
+
b
form)
or
2
x
−
y
+
1
=
0
(
a
x
+
b
y
+
c
form)
Answer link
