# Which Model Makes Sense?

### Resources for this lesson:

> Glossary

> Calculator Resources

> Teacher Resources: Instructional Notes

## Real-Life Scenarios

> Text version for Real-Life Scenario

Now, look at the data Marissa and Khalid gathered for the velocity of the projectile.

**Velocity of Projectile vs. Time**

Time (seconds) |
0 |
0.5 |
1 |
1.5 |
2 |
2.5 |
3 |
---|---|---|---|---|---|---|---|

Velocity (feet per second) |
49 |
34 |
19 |
2.5 |
−14 |
−30.5 |
−45 |

## Create and Analyze

Create a scatter plot and determine which function type (linear, exponential or quadratic) may be the best fit for the data set.

## Check Your Understanding