These web-based activities were developed, during summer sessions from 1997 through 1999, by students at Mainland High School, located in Daytona Beach, FL. As part of Mainland's CCTT grant, the students were given permission by the book's publisher to convert the ancillary materials of the County's adopted Algebra 1 textbook (Glencoe Algebra 1 — ISBN: 9780028253282) into html format.
Modeling
The line graph shows the population of Sun City over a 20-year period.
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Using the graph above, determine how much the population of Sun City increased from 1980 to 1990? |
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Solution: From the graph determine the populations for 1980 and 1990. |
then subtract their values to find the answer.
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Answer: The population of Sun City increased by 13,000 people.
NOTE: Read the question carefully, then read the graph carefully. Pay particular attention to the scale.
TRY THIS ONE
Using the graph above, during which 5-year period was the increase in the population the greatest?
Now practice. Use the graph above for Exercises 1-4
| 1. During which 5-year period was the increase in the population the least? | 3. How much did the population of Sun City increase from 1985 to 1995 |
| 2. How much did the population of Sun City increase from 1975 to 1985? | 4. How much did the population of Sun City increase from 1975 to 1995 |
Copyright 1997-1999: html adaptation
Career Connection to Teaching with Technology