Respuesta :
Standard equation is. y=mx + b
Sub in point (9,8) and -1/2 for m to find b
8=-1/2(9) + b
8+ 4.5 = b
12.5 = b
Therefore
y = -1/2x + 12.5
Sub in point (9,8) and -1/2 for m to find b
8=-1/2(9) + b
8+ 4.5 = b
12.5 = b
Therefore
y = -1/2x + 12.5
