MATH 241

Chapter 12

Section 1
Three-Dimensional Coordinate
System

worksheet

Section 3
The Dot Product

worksheet

Section 4
The Cross Product

worksheet

Section 5 Lines and Planes in Space

another video that is older : Lines and Planes in Space

Section 6 Cylinders and Quadric Surfaces

Homework:

12.1
1, 3, 7, 11, 13, 19, 21, 25, 27, 29, 37, 39, 43, 45, 47, 51, 53, 5

12.3 1 - 13 (odds), 14, 15, 18, 21, 23

12.4 1 - 25 (odds), 35, 37, 41 - 47 (odds)

12.5 1 - 57 every other odd

12.6 1-12 all, 15, 19, 21, 23, 27, 29, 31 (you should be able to do 33-44 all but they are not assigned)

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12-1-13 intersection of a cylinder and a plane

12-1-43 intersection of a sphere and a plane

12-3-14 diagonals of a rectangle

13-3-15 direction cosines of v

12-3-21 diagonals are equal for a rectangle

12-5-33 distance of a point to a line