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Home > PC > Chapter 12 > Lesson 12.2.3 > Problem 12-61


If l and m are parallel lines and T is a linear transformation, why are lT and mT also parallel lines? Homework Help ✎

Slope is the ratio of the change in y to the change in x.
Given any linear transformation, what can you conclude about this ratio?

To convince yourself, try using a transformation with a set of parallel lines. What do you notice?