Question

Find k for which -1/2 is a zero of a polynomial x^2+2kx-3.

Answer 1

putting -1/2 in place of x
(-1/2 )^2+2k×(-1/2)-3=0
1/4+-k-3=0
k=1/4-3
k= -11/4

plzz mark as brainliest

Answer 2

hope this will help you amd put this as brainliest if you like