This table shows how long it took to lay tile for hallways of different lengths.

a. What is the independent variable? Why? Make a graph of the data.
b. Find the slope of the line through these data. What is the real-world meaning of this slope?
c. Which points did you use and why?
d. Find the y-intercept of the line. What is the real-world meaning of this value?

Transcribed Image Text:

Length of hallway (ft) 3.5 9.5 17.54.0 12.0 8.0 Time (min) 85 175 295 92212 153