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Byju's Answer
Standard XII
Mathematics
Condition for Two Lines to Be Parallel
Write an equa...
Question
Write an equation, in the slope intercept form of the line passing through the points
(
2
,
3
)
and
(
4
,
6
)
Open in App
Solution
Since slope of line passing through two points
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
is
m
=
y
2
−
y
1
x
2
−
x
1
We now find the slope of the line passing through the points
(
2
,
3
)
and
(
4
,
6
)
as shown below:
m
=
6
−
3
4
−
2
=
3
2
Therefore, the slope of the line is
3
2
.
Now use the slope and point
(
2
,
3
)
to find the y-intercept.
y
=
m
x
+
b
⇒
3
=
(
3
2
×
2
)
+
b
⇒
3
=
3
+
b
⇒
b
=
3
−
3
=
0
Write the equation in slope intercept form as:
y
=
m
x
+
b
⇒
y
=
3
2
x
+
0
⇒
y
=
3
2
x
Hence, the equation of the line is
y
=
3
2
x
..
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3
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