if [x-2] is a factor of 5x^2-kx-18then the value of k is? Question if [x-2] is a factor of 5x^2-kx-18then the value of k is? in progress 0 Math Natalia 1 month 2021-08-17T10:32:37+00:00 2021-08-17T10:32:37+00:00 1 Answer 0 views 0

## Answers ( )

Answer:4

Step-by-step explanation:let g (x) = 0

x-2 = 0

x=2

now,

if x=2 is factor of above equation

f (2) = 5 x 2 – k x2 – 18

0 = 10 – 18 – k x 2

-8 /2 = -k

-4 = -k

k = 4

hope this will helps you