Question

If one root of the quadratic equation 2x^2+kx-6=0 is 2 then fin find the value of kI

Answer 1

Answer:

K = -1

Step-by-step explanation:

2x^2 + kx -6 = 0

x = 2

2*(2)^2 + 2k -6 = 0

8 + 2k - 6 = 0

2k = -2

k = -1

Answer 2

The attached image will help you ^^