- Positive × positive =
positive
Example: 9 × 8 = 72
|
- Negative × negative =
positive
Example: (-12)(-11) = 132
|
- Positive
× negative = negative
Example: (15)(-5) = -75
Example: 5 times Picksburg’s running back,
"the Trolley," was stopped for a loss of 2 yards. How
many yards did he lose?
Answer: -10
|
 |
 |
- Negative × positive =
negative
Example: (-4)(11) = -44
Example: The Minnesota State golf team has 4
golfers that are each –6 (or 6 strokes under par) on their
rounds for the day. What is the team score?
Answer: -24
|
- If there are an odd number of
negative signs the answer is negative.
Example: (-5)(-2)(-7) = -70
|
- If there are an even number
of negative signs the answer is positive.
Example: (5)(-2)(-7) = 70
|
