This might help for the Unit 2 test ...

Reference Flow Chart for Polynomial Identities:

Answer Key for the Review Pages (PURPLE - my 4A and 4B test will look similar to this) :
PART 1

PART 2

PART 3

PART 4

Answer Key for the Review Pages (YELLOW -Ms. Meade/Ms. Talley's test will look similar to this):
PART 1

 PART 2

 PART 3

 PART 4