Class Notes Multiplying And Dividing Integers
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Class Notes Target Skill: Multiplying and Dividing Integers 1. Multiply or divide the numbers first. 2. Multiply or divide the variables second. 3. Multiply or divide the signs third. An invisible sign is ALWAYS POSITIVE. same signs = positive +
×
+
=
+
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×
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=
+
+ ÷
+
=
+
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=
+
÷
different signs = negative + ×
-
=
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×
+
=
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+ ÷
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÷
(-3)2 =
-3 × -3 = +9
-(3)2 =
+3 × +3 = +9 = -(+9) = -1(+9) = -9
×
+
=
+
-
×
-
=
+
+ ÷
+
=
+
-
-
=
+
÷
different signs = negative + ×
-
=
-
-
×
+
=
-
+ ÷
-
=
-
-
+
=
-
÷
(-3)2 =
-3 × -3 = +9
-(3)2 =
+3 × +3 = +9 = -(+9) = -1(+9) = -9
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