Find the slope of the line

Find the slope of the line.
http://img155.imageshack.us/img155/8665/exam5image1.png

A. ( http://img684.imageshack.us/img684/3589/exam5image2.png )

B. ( http://img23.imageshack.us/img23/2628/exam5image3.png )

C. -2

D. 2

its -1/2 which is B you can write out like I did instead of giving the link it is so much easier!