# Vector Addition Exploration

- Author:
- Rose Neal, Peter Sassman

The applet below shows the addition of two vectors. You can move around the points, and then use the sliders to create the sum.
Answer the questions (below the applet), and move around the points to check various cases, until you are convinced of the property. For question 5, push "Combine Initial" to have the two vectors start at the same place.

**Question 1:**Explain in your own words, how to add vectors geometrically.

**Note:**be specific in your answer.

**Question 2:**For normal number addition, we have a special number "0", where

**Question 3:**For normal numbers

**Question 4:**Consider two vectors

**Combine Initial" button, and check "Show Both"**to see both at the same time. Then, answer question 5.

**Question 5:**Is

__vector addition__?

**associative****Hint:**Associative means