Which describes the sequence of transformations used to obtain the image (triangle A') from the pre-image
(triangle A)?
dilation by a scale factor of 2, then rotation of 180°
about the origin
dilation by a scale factor of 2, then a reflection over
the x-axis
dilation by a scale factor of 1/2, then a rotation of
180° about the origin
O dilation by a smale factor of 1/2. then a reflection
over the x-axis