Question

If one root of quadratic equation 6x^2-x-k=0 is 2/3,then find k

Answer 1

Answer:

k=2

Step-by-Step Explanation

Since 2/3 is a root of the eqn,

thus it should satisfy the eqn.

6x^2-x-k=0

6*(2/3)^2-(2/3)-k=0

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

(6/3)-k=0

k=6/3

k=2