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Byju's Answer
Standard XII
Mathematics
Slope Intercept Form of a Line
Derive the eq...
Question
Derive the equation of the straight line passing through the point
(
x
1
,
y
1
)
and having the slope 'm'
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Solution
Given a line passing through
(
x
1
,
y
1
)
having slope 'n' then
Let equation of line can be written as
y=kx+c ________ (1)
Where k= slope C= constant
(
x
1
,
y
1
)
satisfy equation (1) as it passes through points then
y
1
=
m
x
1
+
c
c
=
y
1
−
m
x
1
________ (2)
using equation (2) in (1) we get
y
=
m
x
+
y
1
−
m
x
1
y
−
y
1
=
m
(
x
−
x
1
)
___________ (3)
Hence equation (3) is required equation of line.
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