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4 cards from this section. Quick, good the night before a test.
What is the representation of a point in 2D?
Think of coordinates on a grid.
How do we define a line in 2D?
It's a linear equation.
What is the matrix representation of a point in 2D?
What do you need to locate a point on a flat surface?
True or False: A line in 3D can only be defined using two points.
Consider alternative ways to define a line.
If given two points A(2, 3, 4) and B(5, 6, 7), find the parametric form of the line connecting them.
Consider how the direction vector is calculated.
Create a transformation sequence that first scales a shape by 2 and then translates it by (3, 5). What is the resulting transformation matrix?
Remember to apply the order of transformations carefully.
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