Respuesta :
slope = (-8 - 7)/(4 - 9)
= -15/-5
= 3
equation:
y - 7 = 3(x - 9) ............<..................using ordered pair point (9, 7)
= -15/-5
= 3
equation:
y - 7 = 3(x - 9) ............<..................using ordered pair point (9, 7)