1) Open up GeoGebra 3D app on your device. [br][br]2) Go to MENU, OPEN.  Under SEARCH, type [b]tmyenvzy[/b].[br]     Note these characters can be found in the URL above.  
    
        
     
    
    
            Once you're all set up, please answer the questions located below this applet.  
    
        
     
    
    
            
            
[color=#bf9000][b]Note the equation of the plane is z = mx+p.  [/b][/color][color=#bf9000][b]Change the equation of this yellow plane to z = 2.  [br]Then change it to z = 1. [br]Then change it to z = 4. [/b] [/color][br][br]How would you describe the intersection of this [b][color=#bf9000]plane[/color] [/b]and [color=#1e84cc][b]double-napped cone[/b][/color]?  
    
    
         
    
        
     
    
    
            
            
Change the [color=#bf9000][b]equation of the plane[/b] [/color]to [math]z=x+2[/math] .  How would you describe the intersection of this [color=#bf9000][b]plane[/b][/color] and [color=#1e84cc][b]double-napped cone[/b][/color] now?  
    
    
         
    
        
     
    
    
            
            
Change the [color=#bf9000][b]equation of the plane[/b] [/color]to [math]z=0.5x+2[/math] .  How would you describe the intersection of this [color=#bf9000][b]plane[/b][/color] and [color=#1e84cc][b]double-napped cone[/b][/color] now?  
    
    
         
    
        
     
    
    
            
            
Change the [color=#bf9000][b]equation of the plane[/b] [/color]to [math]z=4x+2[/math] .  How would you describe the intersection of this [color=#bf9000][b]plane[/b][/color] and [color=#1e84cc][b]double-napped cone[/b][/color] now?