Answer:
[tex]2x + 4y = 8 \\ 4y = - 2x + 8 \\ y = - \frac{1}{2} x + 2 \\ from \: general \: equation \: of \: line \\ y = mx + c \\ and \: m \: is \: the \: gradient \: or \: slope \\ by \: relation \: with \: \: y = - \frac{1}{2} x + 2 \\ slope \: = - \frac{1}{2} [/tex]