Question

X is equal to -3 is zero of the quadratic polynomial x square + kx - 3 then the value of k is

Answer 1

Step-by-step explanation:

x2 +kx-3 =p(x) where x = -3. (-3)2+k(-3) -3=0. 9-3k-3 =0. 6-3k=0. -3k=-6 . 3k=6, k=2