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Multiplying and dividing integers is real easy. All you have to do is do regular dividing and multiplying keeping in mind these simple rules: RULES: 1: When multiplying or dividing integers, when the numbers are a positive, positive they equal a positive. When the numbers are negative, negative they equal a positive. In other words, same signs equal positive. 2: This rule is very similar to the rule above. The only change is that when the signs are different, they equal a negative. ( negative, positive= negative, positive, negative= negative.) Please correct me if I'm wrong.

Multiply integers- my notes from class

positive x positive= positive

positive x negative= negative

negative x negative= positive

Divide integers- again my notes from class

positive divided by a positive= positive

negative divided by a negative= positive

negative divided by a positive= negative

Dividing integers are simple if the number has a different sign than the other it is always negative but if they have the same sign its always positive

ex. -20/5=-4

ex. -20/-4=-5

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Q: How do you multiplies and divides integers?

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the top adds what the bottom adds. the top subtracts what the bottom subtracts. the top divides what the bottom divides. the top multiplies what the bottom multiplies.

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Multiplying is the opposite of dividing, whether it be using integers or other numbers and variables. Technically, multiplying and dividing integers is different, but the two processes are very strongly related to each other. For example, if one multiplies two and two together, one gets four as an answer. If one then divides four by two, one gets two. The multiplication of the 2 was reversed by the division of the 2.

Yes. Suppose x divides y then there exist an integer p such that y = px. Suppose y divides z then there exist an integer q such that z = qy. Therefore z = q*px = qp*x Since p and q are integers then pq is an integer and therefore x divides z. That is to say: if x divides y and y divides z, then x divides z.

The greatest common factor

The Greatest (or Highest) Common Factor - GCF or HCF.

The concept of the GCF refers to integers, not decimals.

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