Заполни пропуски
В пропусках указывай только конечные ответы. Промежуточные действия записывать не нужно.
- \(x^2-5x+4=0\) ,
\(a=1\) , \(b=-5\) , \(c=4\) ,
\(D=25-4\cdot 1\cdot 4=9\) ,
\(\sqrt{D}=3\) ;
- \(x^2+6x+8=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(2x^2+3x-2=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(−x^2+7x+18=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(−2x^2+7x-3=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(\dfrac{1}{2}x^2-2=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(-3x^2+\dfrac{1}{3}=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(5x^2-x=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ];
- \(x^2-6x+9=0\) ,
\(a=\) [ ], \(b=\) [ ], \(c=\) [ ],
\(D=\) [ ],
\(\sqrt{D}=\) [ ].