Question

for what value of k, 3 is a zero of the polynomial 2x ^2+x+k?​

Answer 1

2*9 + 3 + k = 0

k = -21

hope it helped you

Answer 2

Step-by-step explanation:

Given: 3 is zero polynomial

0=2(3)^2 +3+k

-k=21

k=-21