Then, it would be: An = a
It’s C
you can plot each equation on a graphing website like geogebra or desmos !
1. 1 1/5
2. 63/100
3. 1 1/8 oz.
4. 3 tenths
5. 4/8 and 3/6
hope that helps.
The rule of the transformation is
(x,y)->(-y,x)
which corresponds to a 90 counterclockwise rotation about the origin,
which in turn corresponds to a 270 clockwise rotation about the origin.
Note that all rotations preserve lengths and angles, hence the image and preimage are congruent.