Numbers

# When multiplying and dividing rational numbers how do you know if the answer will be a negative?

It the two rational numbers have different signs, then the answer will be negative, otherwise it will be positive.

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## Related Questions

It the signs of the two numbers that you are multiplying or dividing is the same, then the answer is positive, otherwise the answer is negative. Remember though, that division by 0 is not defined.

Dividing by a non-zero rational number is the same as multiplying by its reciprocal.

Dividing by a rational number (other than zero) is simply multiplication by its reciprocal.

The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.

Fractions and decimals are usually rational numbers. Besides, multiplying rational and irrational numbers is also similar.

Yes, if you are adding two negative numbers then the answer will be a negative. However, if you are multiplying or dividing two negative numbers then the answer will be a positive number.

It's a positive number. Here's the rule: In multiplication and division . . . -- If both numbers have the same sign, then the result of multiplying or dividing them is positive. -- If the two numbers have different signs, then the result of multiplying or dividing them is negative.

multiplying and dividing a negative number will "flip" the sign of the other number. So multiplying two negative numbers will produce a positive number. Multiplying one positive and one negative number will produce a negative. And of course two positive numbers yield a positive.

Rational numbers can be negative or positive.

Adding two negative numbers will always be negative. Subtracting two negative numbers may be positive or negative. Dividing or multiplying two negative numbers will always be positive.No

Describe an algorithm for dividing rational numbers.

Negative numbers can be rational but not all negative have to be rational. It all depends if they can be put into a fraction.

No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.

It belongs to the set of negative rational numbers, negative real numbers, fractionall numbers, rational numbers, real numbers.

The question has no sensible answer because its proposition is not true. Multiplication is commutative, division is not, so the rules are NOT the same.

The product or quotient of two numbers that have the same sign is positive. The product or quotient of two numbers with different signs is negative.

integers are negative and poitive numbers you can multipy and divide poitive numbers but you can't divide negative numbers because you can't have negitve divded by a other number

When multiplying or dividing . . .If the signs of both numbers are the same, the result is positive.If the signs of both numbers are different, the result is negative.

Yes, negative decimal numbers are rational, as long as it is terminating or repeating.

Yes - all numbers that can be written as ratios, even negative numbers, are rational numbers.