Question

if the zero of the quadratic polynomial 4xsquare +kx-1 is1, then find the value of k

Answer 1

k=-3
I hope this helps you

Answer 2

Heya,


p(x) = 4x² + kx - 1

p(1) =  4(1)² + k(1) - 1
 
      =  4 + k - 1
   
    =  3 + k
 
k  =  -3    ANSWER...

HOPE IT HELPS:-))