ROLLER COASTERS The table shows the largest vertical drops of nine roller coasters in the United States and the number of years after 1988 that they were
opened. Identify the independent and the dependent variables. Is there a
relationship in the data? If so, predict the vertical drop in a roller coaster built
30 years after 1988.
Years Since 1989 1358 12 12 12 13 15
Vertical Drop (tt) 151 155 225 306 300 255 255 400
230
Source: Ultimate Roller Coaster
encoe Algebra 1 page 248