Instrucciones: Responde las siguientes preguntas.

• Representa una ecuación inadmisible.
  • $$\begin{array}{rcl}f(x) & = & \frac{2}{x}x & = & 6\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{2}{x}x & = & 4\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{2}{x}x & = & 8\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{2}{x}x & = & 0\end{array}$$

• Representa una ecuación inadmisible.
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 6-4(1)\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 64\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 19\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 5-3(2)\end{array}$$

• Representa una ecuación inadmisible.
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x-1}x & = & 0\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 4(3)-2(4)\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 5(3)-4(3)\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \sqrt{x}x & = & 6-3(1)\end{array}$$

• Representa una ecuación inadmisible.
  • $$\begin{array}{rcl}f(x) & = & \frac{8}{x}x & = & 12-4\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{7}{x}x & = & 6\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{6}{x}x & = & 0\end{array}$$
  • $$\begin{array}{rcl}f(x) & = & \frac{9}{x}x & = & 8\end{array}$$

• Analiza las siguientes ecuaciones e identifica la que tiene soluciones inadmisibles.
  • $$x^{2}-2x+1=0$$
  • $$4x^{2}+4x+3=0$$
  • $$2x^{2}-7x+3=0$$
  • $$x^{2}-5x+6=0$$