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Mathematics
Problem
Consider the pair of equations
3
x
+
2
y
=
6
3x+2y=6
3
x
+
2
y
=
6
and
9
x
+
6
y
=
10
9x+6y=10
9
x
+
6
y
=
10
. What is the nature of their solution set? a) Exactly one solution b) Lines intersect at
(
1
,
2
)
(1,2)
(
1
,
2
)
c) No solution; the lines are parallel d) Infinitely many solutions; the lines are coincident
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