Question

If x= 3/2,is the zero of the polynomial 2x2+kx-12, then find the value of K
In this

Answer 1

Answer:

k=2

Step-by-step explanation:

p(x) = 2x2 +kx - 12 =0

p(3/2)= 2(3/2)2 + k(3/2) -12 = 0

= 18/2+ k3/2 - 12 =0

= -6/2 + k3/2 = 0

= k3/2 = 6/2

k = 2