Answer:
Larger than the object
Step-by-step explanation:
The magnification of a lens/mirror is given by the equation:

where
is the size of the image
is the size of the object
from the formula, we see that if M is greater than 1, it means that

and so, it means that the image is larger than the object.
The negative sign simply tells if the image is upright or inverted: when M is positive, the image is upright, when M is negative, the image is inverted.