What is the rule for multiplying and dividing negative numbers?
Multiplying and dividing negative numbers can be summarized with the following rules: Multiplying a negative and a positive results in a negative. Multiplying two negatives results in a positive. Dividing a negative and a positive results in a negative.
How do you multiply and divide negatives and positives?
With two numbers, the rules for multiplying and dividing positive and negative numbers are not only simple, but they’re also the same for both operations: When multiplying or dividing two numbers, if the two signs are the same, the result is positive, and if the two signs are different, the result is negative.
What happens when you multiply or divide a negative by a negative?
Just swap in the operation of division instead of multiplication and everything works the same. In particular, dividing a positive number by a negative number (or vice versa) results in a negative number. And dividing a negative number by another negative number results in a positive number.
What are the rules for multiplying negative numbers?
There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative. When you multiply two negative numbers or two positive numbers then the product is always positive.
When multiplying negative numbers what are the rules?
Why when you multiply a negative by a negative it is positive?
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.
What does it mean to multiply by a negative number?
Multiplying by a negative is repeated subtraction. When we multiply a negative number times a negative number, we are getting less negative. This analogy between multiplication and addition and subtraction helps students nicely connect the two concepts.
When you divide a negative by a positive?
Negative and Positive To calculate a problem that begins with a negative number and is being divided by a positive number, the answer will also always be negative. For example, -10 divided by 5 also equals -2. Multiply the quotient by the divisor to check your answer: -2 x 5 = -10.