Mirror Equation

A focal point is located 20.0 cm from a convex mirror. An object is placed 12 cm from the mirror. Determine the image distance.

• -7.5 cm

• 7.5 cm

• 8.0 cm

A captain barbell action figure, 8.0 cm tall, is placed 6.0 cm in front of a convex mirror with a focal length of -12.0 cm. Where is the image in this case?

• 4cm

• -4 cm

• 5 cm

• -5 cm