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Mathematics
Problem
A student draws a solid straight line passing through the points
(
1
,
2
)
(1,2)
(
1
,
2
)
and
(
5
,
0
)
(5,0)
(
5
,
0
)
, then shades the half-plane that contains the point
(
4
,
5
)
(4,5)
(
4
,
5
)
. Which inequality has the student graphed? a)
x
−
2
y
≤
−
3
x-2y\le -3
x
−
2
y
≤
−
3
b)
x
+
2
y
>
5
x + 2y > 5
x
+
2
y
>
5
c)
x
+
2
y
≥
5
x + 2y \ge 5
x
+
2
y
≥
5
d)
x
+
2
y
≤
5
x + 2y \le 5
x
+
2
y
≤
5
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