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Byju's Answer
Standard IX
Mathematics
Coordinate Axes and Cartesian Plane
Write the equ...
Question
Write the equation of straight line passing through the points (-1,1),(0,0) and (1,-1)
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Solution
Hi,
although
here
it
can
be
seen
that
y
coordinate
is
minus
times
of
x
coordinate
so
it
will
be
y
=
-
x
or
x
+
y
=
0
second
mthod
is
since
line
is
passing
through
the
point
0
,
0
y
=
mx
will
be
the
type
of
line
and
since
it
is
passing
through
-
1
,
1
so
-
1
=
m
hence
equation
of
line
is
y
=
-
x
or
x
+
y
=
0
Regards
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