May 10, 2018
y
=
2
5
x
+
1
Explanation:
the equation of a line in
slope-intercept form
is.
∙
x
y
=
m
x
+
b
where m is the slope and b the y-intercept
to calculate the slope use the
gradient formula
∙
x
m
=
y
2
−
y
1
x
2
−
x
1
let
(
x
1
,
y
1
)
=
(
0
,
1
)
and
(
x
2
,
y
2
)
=
(
5
,
3
)
⇒
m
=
3
−
1
5
−
0
=
2
5
using
m
=
2
5
and
b
=
1
→
(
0
,
1
)
⇒
y
=
2
5
x
+
1
←
equation of line
Answer link
