Question

find the value of k for which -4 is a zero of the polynomial x square minus x minus 2 k + 2​

Answer 1

Answer:

k=11

Step-by-step explanation:

x^2-x-2k+2=0

taking x as -4

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

16+4+2-2k=0

22-2k=0

-2k=-22

2k=22

k=22/2

k=11