On a coordinate plane, vertex A for triangle ABC is located at (6,4). Triangle ABC is dilated by a scale factor of 0.5 with the center of dilation at the origin. The resulting image is triangle A'B'C'. What are the coordinates of vertex A'?

A) (3,2)
B) (12,8)
C) (5.5,3.5)
D) (6.5,4.5)

New Jersey Student Learning Standard: NJSLS 8.G.A.3
Grade 8 Mathematics Reference Sheet