### Home > PC > Chapter 12 > Lesson 12.2.2 > Problem 12-53

12-53.

For the line *y* = 1, all points are of the form (*a*, 1).

Hence *x* = 2*a* − 1 and *y* = *a* + 1.

Write an equation relating *x* and *y*.

If you graphed the original line and its image, how would it relate to the original square and its image in parts (a) and (b)?