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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 = 2a − 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)?