Question

5.

Answer 1

Let x represent the number of row and y represent the number of seat. Then Sarah was sitting in a seat with coordinates (x,y).

The other ticket holder kindly told Sarah she needed to go 5 rows down and 3 seats to the right. The translation that describes Sarah movement is

1. (x,y)→(x,y-5) - she has to find correct row that is 5 rows down from that she was actually sitting;
2. (x,y-5)→(x+3,y-5) - in a correct row she has to move 3 seats to the right from that she sat at start.

Answer: correct choice is D

Answer 2

The answer is 
(x, y) GEOMB S 8 3 Q1 (x + 3, y – 5)
it is obvious