1.\:\:x-intercepts\:x^{2}
                                
                             
                                                    
                                
                                    2.\:\:x-intercepts\:2x^{2}
                                
                             
                                                    
                                
                                    3.\:\:x-intercepts\:x^{2}+4
                                
                             
                                                    
                                
                                    4.\:\:x-intercepts\:x^{2}+1
                                
                             
                                                    
                                
                                    5.\:\:x-intercepts\:x^{2}-6x-2
                                
                             
                                                    
                                
                                    6.\:\:x-intercepts\:x^{2}+x+1
                                
                             
                                                    
                                
                                    7.\:\:x-intercepts\:4x^{2}
                                
                             
                                                    
                                
                                    8.\:\:x-intercepts\:3x^{2}
                                
                             
                                                    
                                
                                    9.\:\:x-intercepts\:-x^{2}
                                
                             
                                                    
                                
                                    10.\:\:x-intercepts\:x^{2}+2