Sally Places an Object 6

Multiple Choice

Sally places an object 6.0 cm from a thin,convex lens along its axis.The lens has a focal length of 12 cm.What are the respective values of the image distance and magnification?

A) 12 cm and −2.0
B) -12 cm and 2.0
C) 3.0 cm and −0.50
D) −6.0 cm and −1.0