Respuesta :
Hello, hope you are having a splendid day. :)
y=-4x-9 is written in slope-intercept form (y=mx+b)
m is the slope and b is the y-intercept.
In this equation, the slope is -4 and the y-intercept is -9.
Hope it helps. Ask me if you have any queries.
~An emotional teen who helps others with joy
[tex]MagicalNature[/tex]
Good luck.