Question

if one root of the equation 3x2+kx-2=0 is 4, find the value of k.​

Answer 1

Answer:

3x²+kx-2 = 0

3(-4)²+k(-4)-2 = 0

48-4k-2 = 0

46-4k = 0

-4k = -46

4k = 46

k = 46/4

k = 23/2

k = 11.2

Read my bio once

Answer 2

Step-by-step explanation:

HOPE it helps you and mark me as a braienlist and follow me