1) (2 pts) Identify by name the following surfaces. (a) x + z -y+2=0 (b) (x-1)...

 

 

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1) (2 pts) Identify by name the following surfaces. (a) x + z -y+2=0 (b) (x-1) 2 y z = 0 (c) y + z - 8z+15=0 2 2 (d) x + y - z - 1 = 0 2) (2 pts) Identify by name and sketch the following surfaces. (a) 9x + y + z = 9 (b) z + x + y -8=0 1) (2 pts) Identify by name the following surfaces. (a) x + z -y+2=0 (b) (x-1) 2 y z = 0 (c) y + z - 8z+15=0 2 2 (d) x + y - z - 1 = 0 2) (2 pts) Identify by name and sketch the following surfaces. (a) 9x + y + z = 9 (b) z + x + y -8=0