### Home > CCA > Chapter 5 > Lesson 5.3.2 > Problem 5-110

5-110.

The graph at right shows a comparison of the length of several gold chain necklaces (including the clasp) to the total mass. Homework Help ✎

Write an equation for the line of best fit.

Eyeball a line of best fit. Then estimate the slope and

*y*-intercept of your line.*y*=*x*+ 2Based on your equation, what would you expect to be the mass of a 26 inch chain?

Substitute 26 into your equation for

*x*and evaluate for*y*.