SOLUTION: Identify the graph of the linear equation 2x + 2y − z = −4 in three dimensional space. Options: http://my.thinkwell.com/questionbank/94001-95000/94744/img/23728

Algebra ->  Equations -> SOLUTION: Identify the graph of the linear equation 2x + 2y − z = −4 in three dimensional space. Options: http://my.thinkwell.com/questionbank/94001-95000/94744/img/23728      Log On


   

Question 918602: Identify the graph of the linear equation 2x + 2y − z = −4 in three dimensional space.
Options:
http://my.thinkwell.com/questionbank/94001-95000/94744/img/237283.jpg http://my.thinkwell.com/questionbank/94001-95000/94744/img/237283.jpg http://my.thinkwell.com/questionbank/94001-95000/94744/img/237285.jpg
http://my.thinkwell.com/questionbank/94001-95000/94744/img/237286.jpg
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
All three points must satisfy the equation.
2x%2B2y-z=-4
(0,0,4)
2%280%29%2B2%280%29-4=-4
-4=-4
True
(2,0,0)
2%282%29%2B2%280%29-0=-4
4=-4
False
So graph 1 is not a solution.
Do the same for the other three graphs until you get one that yield true for all three points.