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Why is it that multiplying negative numbers results in a positive number?
Wiki User
∙ 9y ago
Add two negative numbers:
Think of -1 as a debt. I owe you $1. We bet a dollar on a football game and I win----> that's -1 minus 1 or -1-1 or ZERO. (I explain subtracting/adding numbers this way to simplify before we move on to multiplication/division).
Multiply two negative numbers:
Let's say I owe you $2. I have -$2, right? Assume you also owe me $2. In terms of each other, we both have -$2, ok?
We decide to go double or nothing on the following two football games (two GROUPS of -$2) I win the first game---> now I have zero, you still owe me two. I win the second game---> I still have $0, my debt is still clear and now you owe me $4, or -$4 for you....
Therefore negative 2 groups of negative 2 = a positive 4. Why---> I started at -2 and added two Groups of TWO to my amount, when we settle up. I will have gone from -$2 to +$2---> a net gain of FOUR or +4
---> (-2)(-2) = +4
QED
Wiki User
∙ 9y ago
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What is the sign for multiplication and addition?
If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.
Why multiplying 3 negative integers results in a negative answer?
when you multiply 2 of them it's positive, 3 and it stays negative.
What is the product of two negetive numbers?
The product of two negative numbers results in a positive number.
Why -3 is not the answer to square root of 9?
It is - as well as positive 3. Multiplying a negative number by another negative always results in a positive value. Therefore the square root of 9 can be either 3 or -3.
What are negative and positive results of imperialism?
.
When you multiply a negative number by a negative number is the number positive or negative?
Positive A simple rule to remember this is when multiplying two numbers with the same sign, the result is ALWAYS positive. When multiplying two numbers with different signs, the results is ALWAYS negative.
What is -7 x -5 plus -10?
The answer 25. Multiplying two negative numbers results in a positive answer. Adding a negative number to that result is the same as subtracting a positive.
What is the sign for multiplication and addition?
If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.If you multiply two numbers, the result will be positive, if both factors are positive, or if both are negative. Multiplying a positive number by a negative number, or a negative number by a positive number, results in a negative result.For addition, if you add two positive numbers, the result is positive. If you add two negative numbers, the result is negative. If you add a positive and a negative number, the result depends on which of the numbers has the greater absolute value. For example, if the positive number has the greater absolute value (distance from zero), the result will be positive.
Why multiplying 3 negative integers results in a negative answer?
when you multiply 2 of them it's positive, 3 and it stays negative.
What is the product of two negetive numbers?
The product of two negative numbers results in a positive number.
Why -3 is not the answer to square root of 9?
It is - as well as positive 3. Multiplying a negative number by another negative always results in a positive value. Therefore the square root of 9 can be either 3 or -3.
What type of results when a negative number is multipled by a positive number and vise versa?
If two numbers have different signs, then their product is negative. If two numbers have the same sign, then their product is positive.
When dividing a positive number by a negative number what is the results?
A negative number results when dividing a positive number by a negative number.
How do you multiply and divide negative numbers?
Two negative numbers divided or multiplied together results in a positive outcome. For example: -8/-2 = 4 and -9*-3 = 27
What type of number results when a negative number is multiplied by a positive number and vise versa?
The product of two numbers with opposite signs is always negative.
What were the positive and negative results of the Jacksonian democracy?
The positive results were the expansion to the west and the negative effects was the Indian removal act
When dividing negative number by a positive number what is the results?
A negative number divided by a positive number will be a negative number. For example: -20 / 4 = -5 -100 / 2 = -50 Here are the other cases of division by positive or negative numbers. A negative number divided by a negative number would be a positive number. A positive number divided by a positive number would be a positive number. A positive number divided by a negative number would be a negative number.
