Respuesta :
[tex]y2 - y1 \div x2 - x1 \\ 3 - 1 \div 0 - 4 \\ 2 \div - 4 \\ - 2[/tex]
Slope = (y-y) / (x-x)
Slope = (3-1) / (0-4)
Slope = 2 / -4
Slope = -½
Slope = (3-1) / (0-4)
Slope = 2 / -4
Slope = -½