Respuesta :

Answer:

y = -3x - 25

Step-by-step explanation:

Find the slope:

m = ( -4 - 5 ) / ( 13 - 10 )

m = -9 / 3 = -3

pick one point and substitute it in the standard equation

y - y1 = m ( x - x1 )

y - 5 = -3 ( x - 10 )

y - 5 = -3x - 30

y = -3x - 25

m = -3,  b = -25