# Moving straight ahead investigation 2 additional practice

Investigation 2 Additional Practice 1. The dimensions are 3 8.The possible dimensions are 1 24, 2 12, 3 8, and 4 6. Only the 3 8 rectangle has dimensions with a sum of 11. 2. The dimensions are 3 16.The possible dimensions are 1 48, 2 24, 3 16, 4 14, and 6 8. Only the 3 16 rectangle has dimensions with a sum that is a prime number. 3. a. This unit is an extension of the unit that we started with our last 7th grade unit, Moving Straight Ahead. In this unit we will further explore linear relationships and expand our knowledge of equations and graphs to include inverse relationships. Forensic files ii