Ecuaciones de 2º grado parejas 2B
| __ | 1. | (x+2)2 = 16 | | A. | x=-2 , x = 8 | | __ | 2. | (x+2)2=100 | | B. | x=2, x= -6 | | __ | 3. | (x-3)2 = 9 | | C. | sin solución | | __ | 4. | (x-3)2 =25 | | D. | x=6 , x= 0 | | __ | 5. | -(x-2)·(x-3) = 0 | | E. | x=8 , x =-12 | | __ | 6. | 2x2=50 | | F. | x=2 , x= 3 | | __ | 7. | 3(x-5)·(3x+6)=0 | | G. | x=5 , x=-5 | | __ | 8. | 3x2 =5x | | H. | x= 5, x= -2 | | __ | 9. | 4x2 = -1 -4 x | | I. | x= -1/2 , x= -1/2 | | __ | 10. | x2 = -3(x+1)-3 | | J. | x=0 , x=5/3 |
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