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Mathematics
Mathematics
Problem
Triangle
P
Q
R
PQR
P
QR
has vertices
P
(
−
3
,
−
1
)
P(-3,-1)
P
(
−
3
,
−
1
)
,
Q
(
4
,
−
1
)
Q(4,-1)
Q
(
4
,
−
1
)
and
R
(
4
,
5
)
R(4,5)
R
(
4
,
5
)
. How many of these vertices lie in the IV quadrant? a)
2
2
2
b)
0
0
0
c)
1
1
1
d)
3
3
3
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