Choose the system of equations which matches the following graph:
Answers:
3x − 6y = 12 
9x − 18y = 36
3x + 6y = 12 
9x + 18y = 36
3x − 6y = 12 
9x + 18y = 36
3x + 6y = 12 
9x − 18y = 36
                                             
                                          
                                          
                                        
											