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8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook 1 June 13, 2016 Equations of Planes To identify a line, we need a point & slope...OR... two points !! To identify a plane, we need a point and two vectors that form a basis for that plane. Therefore.... Note: test for coplaner lines or Parametric Eqtn The Vector Equation of a Plane

The Vector Equation of a Plane

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Page 1: The Vector Equation of a Plane

8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook

1

June 13, 2016

Equations of Planes

To identify a line, we need a point & slope...OR...two points !!

To identify a plane, we need a point and two vectors that form a basis for that plane.  Therefore....

Note: test for coplaner lines

or

Parametric Eqtn

The Vector Equation of a Plane 

Page 2: The Vector Equation of a Plane

8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook

2

June 13, 2016

ex:  Determine the "vector" & "parametric" equations of the plane π, that :

a) pass thru  (6, 11, ­5)  with      = (1, 3, ­4)  &     = (­3, 2, 7)

 

pass thru  A(4, ­1, 0),  B(­3, 2, 5)  &  C(5, ­8, 1)b) 

Page 3: The Vector Equation of a Plane

8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook

3

June 13, 2016

Page 4: The Vector Equation of a Plane

8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook

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June 13, 2016

Page 5: The Vector Equation of a Plane

8.4 Vector Parametric, Symmetric Equations of Planes in R3 co p.notebook

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June 13, 2016

P.459#4, 6 ­ 15