Which graph represents the equation y equals one half times x minus 2?
a) graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1
b) graph of a line passing through the points negative 2 comma 0 and 0 comma 1
c) graph of a line passing through the points negative 2 comma negative 3 and 0 comma negative 2
d) graph of a line passing through the points negative 4 comma 0 and 0 comma 2