Respuesta :

nktselepov

[tex]7 = - 2k + b \\ - 9 = 6k + b \\ \\ 7 = - 2k + b \\ 9 = - 6k - b \\ \\16 = - 8k \\ k = - 2[/tex]

Now we can find b

[tex]7 = - 2 \times ( - 2) + b \\ 7 = 4 + b \\ b = 3[/tex]

Answer:

[tex]y = - 2x + 3[/tex]