Equacions 2n grau senzilles 4
| __ | 1. | 2x2 - 14x = 0 | | A. | x = 0 i x = 16 | | __ | 2. | 3x2 - 48x = 0 | | B. | x = 0 i x =7 | | __ | 3. | 4x2 + 48x = 0 | | C. | x = 0 i x = -12 | | __ | 4. | 5x2 + 45x = 0 | | D. | x = 0 i x=1/7 | | __ | 5. | 5x2 - 125x = 0 | | E. | x =0 i x = 25 | | __ | 6. | 5x2 - 245x = 0 | | F. | x= 0 i x= -9 | | __ | 7. | 6x2 + 132x = 0 | | G. | x = 0 i x = -22 | | __ | 8. | 7x2 -x = 0 | | H. | x = 0 i x = 49 | | __ | 9. | x2 + 16x = 0 | | I. | x= 0 i x= -16 | | __ | 10. | x2 + 75x = 0 | | J. | x= 0 i x= -75 |
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