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Mathematics
Problem
For the polynomial
r
(
x
)
=
x
2
+
(
k
−
3
)
x
+
k
r(x)=x^2+(k-3)x+k
r
(
x
)
=
x
2
+
(
k
−
3
)
x
+
k
,
x
=
2
x=2
x
=
2
is a zero. Find the value of
k
k
k
. a)
−
2
3
-\dfrac{2}{3}
−
3
2
b)
2
3
\dfrac{2}{3}
3
2
c) 0 d) -1
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