PLS HELPPP MEEE!! 
The graph of y = x2 - 4 is shown below
What are the roots?
 A. 
x = 0 and x = -4
 B. 
x = 4 and x = 2
 C. 
x = -4 and x = 4
 D. 
x = -2 and x = 2
                                             
                                          
                                          
                                        
											 
			                  