Answer:
(-1,-4)
Step-by-step explanation:
We shall substitute them in and see
y =4x
(1,3)
y =4(1) = 4 That is not 3 Not a solution
(-1,-4)
y = 4(-1) = -4 This is a solution
(-4,-1)
y = 4(-4) = -16 This is not -1 Not a solution
(1,-4)
y = 4(1) = 4 This is not -4 Not a solution
