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Mathematics
Problem
For which of the following values of
k
k
k
is the quadratic polynomial
x
2
+
7
x
+
k
x^{2}+7x+k
x
2
+
7
x
+
k
NOT factorable over the set of integers? a)
k
=
10
k=10
k
=
10
b)
k
=
−
8
k=-8
k
=
−
8
c)
k
=
13
k=13
k
=
13
d)
k
=
0
k=0
k
=
0
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