Answer:
k= 8/5
Step-by-step explanation:
here x= 5 and y= 8 
we have y=kx 
k= y/x
k= 8/5 this is constant of variation
 
        
                    
             
        
        
        
Answer:
 1\2. 
Step-by-step explanation:
change in y over change in x. so 13 - 11 over 6 - 2. 2/4 --.> 1\2. 
 
        
             
        
        
        
Answer:
 .245 
Step-by-step explanation:
 brainliest pls thanks bro
 
        
                    
             
        
        
        
The sign of the product of that equation would be negative.