Answer:
21=3(4)+9
Step-by-step explanation:
Assuming that the equation that you are trying the get is y=mx+b, plug in m, x, and b to get:
y=3(4)+9
y=12+9
y=21
Please be more specific so that you get the answer you need
 
        
             
        
        
        
Answer:
Step-by-step explanation:sorry
 
        
             
        
        
        
Answer:Yes
Hope this helps!
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
See below.
Step-by-step explanation:
The zeroes of the equation will  not be real so the graph will not pass through the x-axis.