Answer:
b
Step-by-step explanation:
(x,y)
Quartile 1/original coordinates (x,y)
Quartile 2 (-x,y)
Quartile 3 (-x,-y)
Quartile 4 (x,-y)
use this to move a shape on the graph
the degree of rotation of a shape on a graph depends on where the shape starts and ends
answer: where is the question?
Answer:
Option 2
and option 4 
Explanation:
In option 1
which is not the difference of squares
In option 2
using the formula

Clearly, the difference of squares
In option 3
not the difference of squares
In option 4
Clearly the difference of squares
In option 5
not the difference of squares
In option 6
not the difference of squares