Question

I seriously need help.

Answer 1

Let's go:

y = ax + b

{5 = 4a + b

{15 = - 6a + b

{5 = 4a + b

{- 15 = 6a - b

10a = - 10

a = - 1

5 = 4a + b

4.(-1) + b = 5

b - 4 = 5

b = 9

- 1; 9

y = -1x + 9

I hope I helped you.