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A12­2SubtrRatNumb.notebook
August 22, 2013
Algebra 1
Ch.2 Notes Page 4
P4 2­2 Subtracting Rational Numbers
Subtracting Rational Numbers
Change All Subtraction problems to Addition.
PLUS THE OPPOSITE
The First Number Stays the Same.
Change the Minus to a Plus
Change the Sign of the Second Number
The Opposite of a Positive is a Negative
The Opposite of a Negative is a Positive
3 ­ 5
Aug 14­11:47 AM
­4 ­ 8
Aug 14­11:47 AM
Matrix Subtraction
More Subtraction Examples:
­4 ­ ­6
1/4 ­ 3/4
Aug 14­11:48 AM
| ­4 | ­ | ­6 |
Aug 19­7:20 AM
HW #3
2­1 P60 #9­16,32­36,82­87
2­2 P66 #9­16,27­32,64­68
Please put your name and class period at the top of the homework.
Also include the homework number.
Aug 14­11:55 AM
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