QUESTION 1 A linear combination is: A matrix multiplied by a vector Two or more matrices multiplied together. Two or more linear transformations composed together The sum of two or more vectors, each multiplied by a coefficient. QUESTION 2 Vectors would be a good choice to represent which of the following? (you can choose more than one) Points on a 3D mesh The position and orientation of a robot's manipulator The internal states of a neural network The position of a pixel on a screen Linea r transformations QUESTION 3 Matrices would be a suitable choice to represent which of the following? (You may choose more than one) End points of a line in a vector drawing program The position of an object in 3D space Transformations of objects in a 2D plane (rotations, reflections, etc.) Linear transformations The position and orientation of a virtual camera in a 3D scene (via a homogenous representation)