Question

Find the value of k so that (–1, 5) lies on kx – 4y – k = 0.

A. 20

B. –10

C. infinite number of solutions

D. no solution

Answer 1

just plug in x= -1, y =5 in
kx – 4y – k = 0.

what do u get ?

Answer 2

k= -10?

Answer 3

lets see

-k -4(5) -k =0
2k =-20
k=-10
is correct :)
good!

Answer 4

Thank you!(:

Answer 5

welcome ^_^