Plot the points:
a)
(
2
,
1
)
\displaystyle {\left({2},{1}\right)}
(
2
,
1
)
b)
(
−
2
,
1
)
\displaystyle {\left(-{2},{1}\right)}
(
−
2
,
1
)
c)
(
−
2
,
−
1
)
\displaystyle {\left(-{2},-{1}\right)}
(
−
2
,
−
1
)
d)
(
2
,
−
1
)
\displaystyle {\left({2},-{1}\right)}
(
2
,
−
1
)
1
2
3
4
5
-1
-2
-3
-4
-5
1
2
3
4
5
-1
-2
-3
-4
-5
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