Предмет: Алгебра, автор: tomkiv13

3. Розв'яжiть нерiвнiсть:

5) - 2x ^ 2 + 7x - 6 < 0 ;

7) 4x ^ 2 - 49 < 0 ;

6) 2x ^ 2 - 50x >= 0 ;

4) 5x ^ 2 - 4x - 12 <= 0 ;

3)-x^ 2 +0,8x+2,4>0 ;

2) x ^ 2 - 10x + 16 >= 0 ;

1) x ^ 2 + x - 30 < 0 ;

Приложения:

Ответы

Автор ответа: AmyWinnie

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3. Розв'яжiть нерiвнiсть:5) - 2x ^ 2 + 7x - 6 < 0 ;7) 4x ^ 2 - 49 < 0 ;6) 2x ^ 2 - 50x >= 0 ;4) 5x ^ 2 - 4x - 12 <= 0 ;3)-x^ 2 +0,8x+2,4>0 ;2) x ^ 2 - 10x + 16 >= 0 ;1) x ^ 2 + x - 30 < 0 ;​

Ответы

3. Розв'яжiть нерiвнiсть:

5) - 2x ^ 2 + 7x - 6 < 0 ;

7) 4x ^ 2 - 49 < 0 ;

6) 2x ^ 2 - 50x >= 0 ;

4) 5x ^ 2 - 4x - 12 <= 0 ;

3)-x^ 2 +0,8x+2,4>0 ;

2) x ^ 2 - 10x + 16 >= 0 ;

1) x ^ 2 + x - 30 < 0 ;