### Home > PC3 > Chapter 8 > Lesson 8.2.1 > Problem 8-66

8-66.

Write a simplified expression for the slope of the line that goes through the points (*x*, *f ^{ }*(

*x*)) and (

*x*+

*h*,

*f*(

^{ }*x*+

*h*)). The answer will be an algebraic expression, not a number. This expression should look familiar. What is another name for this expression? Homework Help ✎