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LESSON 26 – EQUATIONS OF PLANES September 4, 2013 Fernando Morales
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L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

Jan 20, 2016

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Page 1: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

LESSON 26 – EQUATIONS OF PLANESSeptember 4, 2013

Fernando Morales

Page 2: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.
Page 3: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

PEER INSTRUCTION

Coincident: 1. Occuring together in space or time 2. In agreement or harmony

3. The two lines have all equal points

Answer:If they are scalar multiples of each other, then they are coincident.In this case since we can multiply all the terms in first equation by six, we obtain the second equation. Hence all points will be equal between the two lines.

Page 4: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

MOVE AROUND!

Go around the classroom and answer the questions on the wall.

Use technology to assist you in checking the answers.

Page 5: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

PEER INSTRUCTION

How can we define a line in two-space? How can we define a line in three-space?

[C] In both cases all we need is either two

points or a point and a direction vector.

Page 6: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

PEER INSTRUCTION

How do we uniquely define a plane in three-space?

[C] To uniquely define a plane in three-space all

we need is either three non-collinear points or a point and two non-parallel direction vectors.

Page 7: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.
Page 8: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

REQUIRED BEFORE NEXT CLASS

Section 8.2 # 1, 2, 3, 10, 11 Read Section 8.3 On Pg. 445 Complete the Investigation:

How is the Normal Vector to a Plane Related to the Scalar Equation of a Plane?  (all six, have it prepared to show me Thursday)

Page 9: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 10: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 11: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 12: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 13: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 14: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 15: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 16: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 17: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?

Page 18: L ESSON 26 – E QUATIONS OF P LANES September 4, 2013 Fernando Morales.

WHAT DO THE POINTS HAVE IN COMMON?WRITE A POSSIBLE EQUATION FOR THE PLANE?