Properties of Real Number Multiplication

Move points A and B on the real number line to change the length of vectors a and b.

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1. Use vectors a and b to demonstrate the commutative property of multiplication.
2. Use vectors a and the unit vector to demonstrate the identity property of multiplication.
3. Use vector a or b to demonstrate the inverse property of multiplication.

Michelle Krummel, June 23, 2010, Created with GeoGebra