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Mathematics
Mathematics
Problem
Consider the system of equations
k
x
+
y
=
2
,
2
x
+
2
y
=
k
.
kx + y = 2, \quad 2x + 2y = k.
k
x
+
y
=
2
,
2
x
+
2
y
=
k
.
For which value of
k
k
k
does the system have no solution? a)
0
0
0
b)
2
2
2
c)
1
1
1
d)
−
1
-1
−
1
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