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Mathematics
Mathematics
Problem
3. Check which of the following are solutions of the equation
x
−
2
y
=
4
x-2 y=4
x
−
2
y
=
4
and which are not: (i)
(
0
,
2
)
(0,2)
(
0
,
2
)
(ii)
(
2
,
0
)
(2,0)
(
2
,
0
)
(iii)
(
4
,
0
)
(4,0)
(
4
,
0
)
(iv)
(
2
,
4
2
)
(\sqrt{2}, 4 \sqrt{2})
(
2
,
4
2
)
(v)
(
1
,
1
)
(1,1)
(
1
,
1
)
(i)
(
0
,
2
)
(0,2)
(
0
,
2
)
(ii)
(
2
,
0
)
(2,0)
(
2
,
0
)
(iii)
(
4
,
0
)
(4,0)
(
4
,
0
)
(iv)
(
2
,
4
2
)
(\sqrt{2}, 4 \sqrt{2})
(
2
,
4
2
)
(v)
(
1
,
1
)
(1,1)
(
1
,
1
)
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