Consider a slanted plane that intersects the entire x-axis and also contains the point P ( 1 , 2 , 4 ). a. Draw this plane, then find and label the coordinates of two other points in the plane. b. Draw two non-parallel vectors that lie in this plane, and find their components. c. Find a vector that is orthogonal to your two vectors. This is called a normal vector for the plane because it is orthogonal to every vector in the plane.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 31E
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Consider a slanted plane that intersects the entire x-axis and also contains the point P ( 1 , 2 , 4 ).

a. Draw this plane, then find and label the coordinates of two other points in the plane.
b. Draw two non-parallel vectors that lie in this plane, and find their components.
c. Find a vector that is orthogonal to your two vectors. This is called a normal vector for the plane because it is orthogonal to every vector in the plane.
d. Find a unit normal vector for the plane. How many choices are there for this?

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