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5 cards from this section. Quick, good the night before a test.
What is the identity transformation?
Think about what happens with a mirror.
Describe the zero transformation.
Consider what happens when everything collapses to a point.
What does the identity transformation do?
Think about what happens to a vector when it's unchanged.
True or False: A zero transformation will map all vectors to a point.
Consider what it means for everything to be one point.
A vector x = [2, 3] undergoes a rotation transformation by θ = 45 degrees. What are the new coordinates?
Calculate the cosine and sine values for 45 degrees.
If λ = -1 and x = [4, -2], apply a scaling transformation and state the new vector.
Multiply each component by the scalar λ.
6 more questions in this section. Enroll free to practise them all.
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