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. What are the units for slope and y‑intercept for your equation?
Eyeball a line of best fit. Then estimate the slope and
-intercept of your line.
Based on your equation, what would you expect to be the mass of a
into your equation for and evaluate for .