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Unformatted text preview: 3x – 2y = 6 is a LINE. (only 2 variables) 3x – 2y + z = 6 is a PLANE. (3 variables) If the graph of a plane intersects one of the coordinate planes in a line, then the line is called a trace. 2 Graphing Equations in 3D The xytrace is the line in the xyplane that contains the xint and yint (blue) The xz is in red the yz is in pink Sketching a Plane Sketch the graph of 2x + 3y + 4z = 12 (Find the intercepts. How?) You try! 1) x+y+z=5 2) 2xy+3z=6 Homework p. 145 # 14, 710(same coor space), 1924...
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This note was uploaded on 05/13/2011 for the course MTH 98 taught by Professor Johnson during the Fall '09 term at Grand Valley State University.
 Fall '09
 Johnson
 Algebra, Equations

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