http://www.cepamarm.es ACFGS - Matemáticas ESG - 10/2010 Pág. 1 de 2 Ecuaciones de 2º grado: 100 Ejercicios (con solución) 1 -3 x2 = 0 x1 = 0 x 2 = 0 26 -5 x2 + 20 = 0 x1 = -2 x2 = 2 2 -4 x2 + 4 x = 0 x1 = 0 x 2 = 1 27 -5 x2 + 20 = 0 x1 = -2 x2 = 2 3 -3 x2...
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http://www.cepamarm.es ACFGS - Matemáticas ESG - 10/2010 Pág. 1 de 2 Ecuaciones de 2º grado: 100 Ejercicios (con solución) 1 -3 x2 = 0 x1 = 0 x 2 = 0 26 -5 x2 + 20 = 0 x1 = -2 x2 = 2 2 -4 x2 + 4 x = 0 x1 = 0 x 2 = 1 27 -5 x2 + 20 = 0 x1 = -2 x2 = 2 3 -3 x2 + 3 x = 0 x1 = 0 x 2 = 1 28 -5 x2 + 10 x + 15 = 0 x1 = -1 x2 = 3 4 3 x2 + 3 x = 0 x1 = 0 x2 = -1 29 -4 x2 - 8 x + 12 = 0 x1 = -3 x2 = 1 5 4 x2 + 4 x = 0 x1 = 0 x2 = -1 30 -4 x2 + 16 x - 16 = 0 x1 = 2 x 2 = 2 6 -4 x2 - 8 x - 4 = 0 x1 = -1 x2 = -1 31 -3 x2 - 12 x - 9 = 0 x1 = -3 x2 = -1 7 -4 x2 + 8 x = 0 x1 = 0 x 2 = 2 32 -3 x2 - 6 x + 9 = 0 x1 = -3 x2 = 1 8 -3 x2 - 6 x = 0 x1 = -2 x2 = 0 33 -3 x2 + 12 x = 0 x1 = 0 x 2 = 4 9 -3 x2 + 6 x - 3 = 0 x1 = 1 x 2 = 1 34 -2 x2 - 8 x - 8 = 0 x1 = -2 x2 = -2 10 -2 x2 + 2 = 0 x1 = -1 x2 = 1 35 -2 x2 - 8 x - 6 = 0 x1 = -3 x2 = -1 11 -2 x2 + 4 x = 0 x1 = 0 x 2 = 2 36 -2 x2 + 8 x = 0 x1 = 0 x 2 = 4 12 3 x2 + 6 x = 0 x1 = 0 x2 = -2 37 2 x2 - 8 x + 6 = 0 x1 = 3 x 2 = 1 13 4 x2 - 4 = 0 x1 = 1 x2 = -1 38
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