Question

for what value of k,-4 is a zero of polynomial x^2-x-2k-2

Answer 1

p(x)=x^2-x-2k-2
g(x)=-4
p(4)= 16-4-2k-2=0
10-2k=0
-2k=-10
k=5

Answer 2

Answer:

9

Step-by-step explanation:

(-4)^2 -(-4)-2k-2 =0

16+4 -2k -2=0

2k = 18

k =9