Multiplying and dividing
When multiplying (or dividing) two numbers with the same signs, the resulting answer is positive. If one is positive and the other negative, the answer will be negative. e.g. (positive ) e.g.
What happens when you add a negative and positive number?
Rule 3: Adding negative numbers to positive numbers—count backwards, as if you were subtracting. Now, let’s look at the reverse equation. When you are adding a negative number to a positive number you are effectively subtracting the second number from the first.
What is the rule for positive plus negative?
If you’re adding positive and negative numbers together, subtract the smaller number from the larger one and use the sign from the larger number. For example: 6 + (-5) = 1.
What does a plus and a plus make?
Adding and multiplying combinations of positive and negative numbers can cause confusion and so care must be taken. Two ‘pluses’ make a plus, two ‘minuses’ make a plus. A plus and a minus make a minus.
Why is minus a minus a plus?
The fact that the product of two negatives is a positive is therefore related to the fact that the inverse of the inverse of a positive number is that positive number back again.
Is a positive plus a positive a positive?
):( Positive number plus a positive number, add the two numbers, and it equals a positive number.
Why is minus minus plus Quora?
Originally Answered: Why minus(-) multiplied by minus(-) is equal to plus(+)? Each number has an “additive inverse” associated to it(Opposite),which when added to the original number gives zero. This is the fact why the negative numbers were introduced; so that each positive number would have an additive inverse.
