Tarea.docx

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TAREA 1. Indica cuales de las siguientes expresiones son monomios. En caso afirmativo indica su grado y coeficiente. a) 3x3 = Grado: 3, coeficiente: 3 b) 5x-3 = No es un monomio, porque el exponente no es un número natural. c) 3x + 1 = No es un monomio, porque aparece una suma. d) √ 2 = Grado: 1, coeficiente: √ 2 e) – ¾ x4 = Grado: 4, coeficiente: ¾ f) -3/x4 = No es un monomio, no tiene exponente natural (x−4).

2. Realiza las sumas y restas de monomios a) 2x2y3z + 3x2y3z = (2 + 3) x2y3z = 5x2y3z b) 2x3 − 5x3 = (2 − 5) x3 = −3x3 c) 3x 4 − 2x 4 + 7x 4 = (3 − 2 + 7) x 4 = 8x 4 d) 2a 2 bc 3 − 5a 2 bc 3 + 3a 2 bc 3 − 2a 2 bc 3 = (2 − 5 + 3 − 2) a 2 bc 3 = −2a 2 bc 3

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