Scientists often apply trendlines, or best fit lines, to their data after they graph it on an x, y plot. The idea of a trendline is to reveal a linear relationship between two variables, x and y, in the y = mx + b form.
<span>Step 1: Use point-slope form and substitute 9/5 for m and (14, 30) for (x , y ).
-</span><span>Point-Slope Form:
</span>Step 3: Convert point-slope form into slope-intercept form. Length and Wingspan of Hawks <span>Step 1: Calculate Slope </span> <span>*Slope: The ratio of the vertical change to the horizontal change. </span>