Which sequence of transformations produces an image that is not congruent
to the original figure?
o
a. a reflection across the yaxis followed by a rotation of 90°
counterclockwise
o
b. a translation of 4 units to the right followed by a dilation of a
factor of 2
o
c. a rotation of 90° clockwise followed by a translation of 2 units to
the left
o
d. a translation of 3 units to the left followed by a reflection across
the y-axis