Question

riangle RST was transformed using the rule (x, y) → (–x, –y). The vertices of the triangles are shown. R (1, 1) S (3, 1) T (1, 6) R' (–1, –1) S' (–3, –1) T' (–1, –6) Which best describes the transformation?

Answer 1

Before Reflection
(x,y)

After Reflection
(-x,-y)

A rotation of 180°