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To multiply negative integers first invision that all signs (positive and negative alike) are gone. Then multiply as you normally would (like 5 x 3 = 15). Then worry about the sign: positive x positive = positive positive x negative = negative negative x positive = negative negative x negative = positive For example, do calculate (-5) x (-3), first invision the signs are gone (5 x 3 = 15). Now worry about the signs (negative x negative = positive). So the answer is +15 (or simply 15). Another, slightly more complicated example: (-4) x (8) ignore the signs: 4 x 8 = 32. Worry about the signs: negative x positive = negative So the answer is -32.
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How is dividing integers similar to multiplying integers with the resulting sign?
The rules for the sign (positive or negative) of the result of a multiplication is the same as division. For multiplication: Positive * Positive --> Positive Positive * Negative --> Negative Negative * Positive --> Negative Negative * Negative --> Positive For division: Positive / Positive --> Positive Positive / Negative --> Negative Negative / Positive --> Negative Negative / Negative --> Positive
Is the answer to adding two negative integers a positive or negative?
When you add two negative integers, the answer is still negative.
What is the answer of negative integers greater than 5?
There are no negative integers greater than five.
Is the set of even integers closed under multiplication?
Yes
Does the commutative property of addition apply when you add to negative integers?
Yes. The commutative property of addition (as well as the commutative property of multiplication) applies to all real numbers, and even to complex numbers. As an example (for integers): 5 + (-3) = (-3) + 5
