Question

Find the value of K for which the given value is a solution of the given equation 7x²+Kx-3=0,x=⅔

Answer 1

Answer:

k = -1/6

Step-by-step explanation:

7x^2+kx-3=0

7(2/3)^2+k*2/3-3=0

7*4/9+2k/3-3=0

28/9+2k/3-3=0

28+6k/9=3

28+6k=27

6k=27-28

6k= -1

k= -1/6