Respuestas sección 1.3

Ejercicios 1 al 8, operaciones entre conjuntos.

  1. $\hspace{0.1cm}A\cup B=\{1,2,3,4,5,6,7,8\}$
  2. $\hspace{0.1cm}B\cup C=\{2,3,4,5,6,7,8,9,10\}$
  3. $\hspace{0.1cm}A\cup C=\{1,2,3,4,5,6,7,8,9,10\}$
  4. $\hspace{0.1cm}A\cup B\cup C=\{1,2,3,4,5,6,7,8,9,10\}$
  1. $\hspace{0.1cm}A\cap B=\{2,4,6\}$
  2. $\hspace{0.1cm}B\cap C=\{8\}$
  3. $\hspace{0.1cm}A\cap C=\{7\}$
  4. $\hspace{0.1cm}A\cap B\cap C=\{\emptyset\}$

Ejercicios 9 al 18 expresar una desigualdad.

  1. $\hspace{0.1cm}x<0$
  2. $\hspace{0.1cm}q\leq\pi$
  3. $\hspace{0.1cm}\cfrac{p}{q}\leq 7$
  4. $\hspace{0.1cm}\mid x\mid>7$
  5. $\hspace{0.1cm}b>0$
  1. $\hspace{0.1cm}\left(x+y\right)<0$
  2. $\hspace{0.1cm}w\geq -4$
  3. $\hspace{0.1cm}c-1\leq 5$
  4. $\hspace{0.1cm}\mid t-1\mid<50$
  5. $\hspace{0.1cm}\mid s+4\mid\geq 7$

Ejercicios 19 al 28. Distancia entre dos puntos.

  1. $\hspace{0.1cm}\mid7-3\mid=4$
  2. $\hspace{0.1cm}\mid-5-7\mid=12$
  3. $\hspace{0.1cm}\mid-6-\left(-5\right)\mid=1$
  4. $\hspace{0.1cm}\mid-2-\left(-6\right)\mid=4$
  5. $\hspace{0.1cm}\mid4-\left(-2\right)\mid=6$
  1. $\hspace{0.1cm}\mid-9-4\mid=13$
  2. $\hspace{0.1cm}\mid1-\left(-9\right)\mid=10$
  3. $\hspace{0.1cm}\mid10-1\mid=9$
  4. $\hspace{0.1cm}\mid10-3\mid=7$
  5. $\hspace{0.1cm}\mid3-1\mid=2$