CPM Homework Help : AC Problem 1-30

The diamond below represents the pattern you found in problem 1-4.

Generic Diamond Problem. One number, X, is located on the left side. The second number, Y, is located on the right side. The bottom number is the sum of the two numbers, X and Y. The top number is the product of the two numbers, X and Y.

Complete these Diamond Problems.
1. Hint i:
  What times one half $= 1$ ?
1. Hint ii:
  What two numbers multiply to $10$ and add to $7$ ?
Create two new Diamond Problems of your own.
Hint (b):
Refer to the diagram above for more help.