Ecuación segundo grado 2 A
| __ | 1. | 2x²-3x+1=0 | | A. | 2 y 7 | | __ | 2. | 3x²-5x-2=0 | | B. | 1 y -2 | | __ | 3. | 25x²+20x+4=0 | | C. | -5 y -5 | | __ | 4. | x²+2x+3=0 | | D. | 1/2 y 1 | | __ | 5. | x²+4x+3=0 | | E. | -1/3 y 2 | | __ | 6. | x²+10x+25=0 | | F. | 2 y 3 | | __ | 7. | x²+x-2=0 | | G. | -2/5 y -2/5 | | __ | 8. | x²-4x+8=0 | | H. | No tiene solución real | | __ | 9. | x²-5x+6=0 | | I. | No tiene solución real | | __ | 10. | x²-9x+14=0 | | J. | -1 y -3 |
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