1. What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?
2. How would you define what a rational exponent is? Is there such a thing as an irrational exponent? Explain.
3. Explain the five-steps for solving rational equations. Can any of these steps be eliminated? Can the order of these steps be changed? Would you add any steps to make it easier, or to make it easier to understand?
4. Do all rational equations have a single solution? Why is that so?