Question

1) ¿Qué es un sistema de ecuaciones? a) Conjunto de dos o más ecuaciones con una variable b) es un conjunto de una sola ecuación c) Conjunto de dos o más ecuaciones con dos o más variables variable 2) Nombre los métodos para resolver sistemas de ecuaciones: a) Igualación, sustitución, distribución b) Solución, Igualdad, Reducción, c) reducción, igualación, sustitución. 3) Indica cuál de las siguientes expresiones es equivalente a la ecuación x−2y=3: a) x−3= - 2y b) x + y=3 (y-1) c) x−2(y+1) =1 d) 2y=x+3 4) Cuál es la solución a el sistema de ecuaciones? considerando el par ordenado como (x, y) : a) (2,3) b) (1,3) c) (3,1) d) (1,2) 5) Encuentre dos números tales que su suma sea 80 y su diferencia sea 28. 6) El costo de las entradas a una función de títeres es de 30 soles para los adultos y 20 soles para los niños. Si el sábado pasado asistieron 160 personas y se recaudaron 4400 soles, ¿cuántos adultos y cuántos niños asistieron a la función el sábado?

Answer 1

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