Question

Identifying Image and Pre-Image
A coordinate plane. Point A is plotted at (2, 7). Point B (2, 1). Point C (9, 8). Point D (8, 3). Point E (7, 7).

A point has been translated right and up. The image of the point is point E. What point is the pre-image of point E?
A
B
C
D

Answer 1

B — point B(2,1). Translating B right 5 and up 6 gives (2+5, 1+6) = (7,7) which is E.