Question

find the value of k where 7 x square + kx - 3 where X is equals to 2 upon 3

please give me the answer fast it's urgent.... plz.. ​...

Answer 1

Answer:

-1/6

Step-by-step explanation:

put the value 2/3 in place of x to get

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

k= 27-28/9

k=-1/6