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3 cards from this section. Quick, good the night before a test.
Define a linear transformation. Provide an example.
Think of transformations used in CAD programs.
What does scaling do to a vector?
Consider enlarging or reducing the size of objects.
What is an example of a linear transformation?
Remember types of transformations we discussed.
True or False: Scaling can change a vector’s direction.
Think about what happens during resizing.
You have a square with vertices at (1,1), (1,-1), (-1,-1), and (-1,1). If you apply a scaling transformation with a factor of 2, what are the new vertices?
Multiply each vertex coordinate by the scaling factor.
Describe how reflection over the x-axis changes a triangle with vertices at (0,3), (2,1), and (1,2). What are the new coordinates?
Focus on how the y-values change during reflection.
6 more questions in this section. Enroll free to practise them all.
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