2. y=1.3x+318

3. y=1.3*43+318

4. y=55.9+318

5. The carbon dioxide concentration would be 373.9 parts per million.

6. Look up Co2 concentration (ppm-parts per million). Does your equation make a reasonable prediction?

7. Co2 in 2008=387 parts per million

8. http://www.guardian.co.uk/environment/2008/may/13/carbonemissions.climatechange

9. Do a percent error calculation comparing your predicted value with the researched value.

10. 387-373.9387*100

11. 13.1387*100

12. 0.03*100%

13. 3%Percent error: 3%<br />