On the line of intersection of the planes y+2z=12 and x+y=6, find the point (a,b,c) that is closest to the origin. What is a+b+c?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 35E
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Question 5
On the line of intersection of the planes y+2z=12 and x+y=6, find the point (a,b,c) that is
closest to the origin. What is a+b+c?
25
20
15-
10
5-
8 6 4
2
-2
-2
4
-6
-8
4
y
(The origin is marked by a blue diamond.)
Select one:
а. 10
C b. 5
с. 3
C d. 4
е. 8
2.
Transcribed Image Text:Question 5 On the line of intersection of the planes y+2z=12 and x+y=6, find the point (a,b,c) that is closest to the origin. What is a+b+c? 25 20 15- 10 5- 8 6 4 2 -2 -2 4 -6 -8 4 y (The origin is marked by a blue diamond.) Select one: а. 10 C b. 5 с. 3 C d. 4 е. 8 2.
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