The questions answered by this solution are framed as follows:
1. Explain the five-steps for solving rational equations. Can any of these steps be eliminated? Can the order of these steps be changed?
2. How might the Pythagorean theorem and distance formula be used in everyday life?
3. Quadratic equations, which are expressed in the form of ax2 + bx + c = 0, where a does not equal 0, may have how many solutions?
Each question is addressed in detail.