Question

if x = 2/3
is a root of the quadratic equation 3x?-kx+8=0.
Find the value of 'K'
3​

Answer 1

Answer:

15

Step-by-step explanation:

3x-kx+8=0. (x=2/3)

3(2/3) - k(2/3)+8=0

2-2k/3+8=0

10-2k/3=0

2k/3= -10

2k= -10(3)

k= -30/2

k=15