### Home > PC3 > Chapter 9 > Lesson 9.1.1 > Problem9-10

9-10.

Write a formula for the slope of a secant line for $x = a$ to $x = b$ for the function $f(x) = x^{2}$.

Calculate the slope of the line that passes through the points $(a, a^2)$ and $(b, b^2)$.