### Home > CC3 > Chapter 7 > Lesson 7.2.5 > Problem 7-84

7-84.

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

What are the product and sum of

and ?

Which two numbers have a product of

and a sum of ? Since the sum is

, one number must be negative and one must be positive, but both numbers must have the same magnitude.