Question

What is the equation of the trend line? Enter your answers in the boxes.

Answer 1

Step 1: Use point-slope form and substitute 9/5 for m and (14, 30) for (x , y ).

-Point-Slope Form:

Step 3: Convert point-slope form into slope-intercept form.
Length and Wingspan of Hawks
Step 1: Calculate Slope

*Slope: The ratio of the vertical change to the horizontal change.

Answer 2

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.