3. Write and equation representing the relationship between time and distance. Explain what each number and each variable represents.
4. How does the walking rate of each brother show up in the graph, the table, and the equation?
B) 1. How far does Emile walk in 20 seconds?
2. After 20 seconds, how far apart are the brothers? How do is this distance shown on the table and on the graph?
3. Is the point (26, 70) on either graph?
4. When will Emile overtake Henri? Explain.

How can you determine which of two lines will be steeper from

A table of data? 2. An equation?

1. At what points do Emile’s and Henri’s graphs cross the yaxis?

What information do these points represent in terms of the race?

How can these points be found in a table? In an equation?