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Multiplicaciones de expresiones algebraicas
 

Multiplicaciones de expresiones algebraicas

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    Multiplicaciones de expresiones algebraicas Multiplicaciones de expresiones algebraicas Document Transcript

    • Carlos Alberto López Torres Licenciado en Matemáticas COLEGIO ALFREDO IRIARTE INSTITUCIÓN EDUCATIVA DISTRITAL ACTIVIDAD 1 TERCER PERIODO MULTIPLICACIONES DE EXPRESIONES ALGEBRAICAS Realice las siguientes multiplicaciones de expresiones algebraicas 1. (2x2 – 5x)(4x2 – 2x + 2) 2. (– 5x2 – 5x)(7x2 + 2x – 10) 3. (18x2 – 14x + 28)(8x2 ) 4. (– 10x + 8)(– 14x2 + 8) 5. (8x2 – 14x - 8)(19x) 6. (– 13x2 )(– 9x + 36– 19x2 ) 7. (23x2 – 9x)(-2x) 8. (3x4 )(2x2 )(-2x2 ) 9. (8x3 – 14x)(2x2 – 15) 10. (8x+5)( 3 – 2x) 11. (– 4x2 )(– 14x)(8x3 ) 12. (7y3 5 11 y2 + 2 1 )( 5 11 y2 – 2 3 ) 13. (7y3 5 22 )(y2 – 1) 14. ( 5 11 y2 )(y3 + y2 + y) 15. (2x2 + 5x)(x – 5) 16. (15x3 + 2x2 – 10x + 20)(2x) 17. (4x5 – 4x4 + 3x3 + 25x2 – 25x + 5)( 2 3 x3 ) 18. ( ½ x3 – 1/3y2 ) ( ½ x3 + 1/3y2 ) 19. (x + 5)(x – 2) 20. (– 18 x4 y3 )(6 x2 y2 ) Teniendo en cuenta que para hallar el área de un cuadrilátero se debe multiplicar la base por la altura; halle el área de las siguientes figuras 1. 2x - 2y 3x + 5 2. 2x + 8 3. 2w -1/3x + 5 4. x + 3 Halle el término faltante para que se cumpla la igualdad 1. (x – 3)( ? )= 3x2 – 9x 2. (x2 – 9) ( ? )=10x3 – 10x2 3. (3 x2 y)(–48 x6 y5 ) = ? 4. ( ? )(3 xy)= 3x4 y3 5. (6x4 – x3 – 4x2 )( ?)= 6x4 w – x3 w – 4x2 w 6. (12x6 – 2x5 + 3x4 )(3x2 ) = ? 7. (– x – 10)( ? ) = 3x2 +30x 8. ( ? )( ? ) = 25x + 8y 9. ( ? )( ? ) = 72xy 10. ( ? )(-3x +5) = 18xy- 30y 11. ( ? )( ? ) = - 5x – 5 12. (– 16x)(20x) = Nota: Recuerde que todos los ejercicios deben tener su correspondiente procedimiento 5x+1 -4x+7