### Home > CCA > Chapter 8 > Lesson 8.1.1 > Problem 8-9

8-9.

Remember that a Diamond Problem is a pattern for which the **product** of two numbers is placed on top, while the **sum** of the same two numbers is placed on bottom. (This pattern is demonstrated in the diamond at right.) Copy and complete each Diamond Problem below. Homework Help ✎

What two numbers add to 2 and multiply to −80?

For parts (b) through (d) refer to the hint given in part (a).

Think of two numbers that multiply to −7 and add to −6.

Also refer to answer in part (c).