### Home > CCA > Chapter A > Lesson A.1.5 > ProblemA-54

A-54.

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

1. Multiply $8$ by $−8$ to get $xy$.
$8(−8)=−64$

Add $8$ to $-8$ to get $x+y$.
$8+(−8)=0$

1. What are the factors of $−25$?

Which of these add to $0$?

1. Divide $−12$ by $4$ to find $y$.

1. Use the pattern in the diamond and remember your negative signs.