Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.  

• Answer (a):

  

• Answer (b):

  

• Hint (c):

  What plus $−3$ equals $8$?
  What does $−3$ multiplied by that number equal?

• Hint (d):

  What are the factors of $−7$? Which two added together equal $6$?
  Note: The answers are interchangeable.