Dianne drew a triangle with coordinates (1, 3), (3, 2), and (4, 2). She drew an image of the triangle with
coordinates (-1, 3), (3, 2), and (-4,2). How did she make the image?

a. she translated the original figure 2 units down
b. she translated the original figure 6 units down
c. she reflected the original figure over the x-axis
d. she reflected the original figure over the y-axis