Slope problem

which of the following best describes the technique used to graph the equation, y = -2x + 8, using slope and y-intercept?

a) mark a point at 8 on the y-axis, move downward 2 and right 1, mark the point and draw the line.

b) mark a point at 8 on the y-axis, move upward 2 and right 1, mark the point and draw the line.

c) mark a point at -2 on the y-axis, move upward 8 and right 1, mark the point and draw the line.

d)mark a point at -2 on the y-axis, move downward 8 and right 1, mark the point and draw the line.