So discriminant is being counted from that equation: 
b^2-4ac = 36-36 = 0
As discriminant is 0, then there is just 1 root -> -b/2a = 6/2 = 3.
        
             
        
        
        
The property is 109 because its 109
        
                    
             
        
        
        
You need to show us the bar model
        
             
        
        
        
Answer:
ray
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x is less than -7
Step-by-step explanation:
I'm not sure how to get the greater than or less than symbols, so I used the "greater/less than or equal to" symbols to represent those... 
