Does a positive and a negative make a positive

If two positive numbers are multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive. If a positive and a negative number are multiplied or divided, the answer is negative.

What does a negative and a positive make?

When you multiply a negative number to a positive number, your answer is a negative number. It doesn’t matter which order the positive and negative numbers are in that you are multiplying, the answer is always a negative number.

Is a negative times a positive a negative or a positive?

Using the fact multiplication is commutative, a negative times a positive is also negative. Similarly, we can prove that a negative times a negative is a positive. Since we know that −ab is negative, and the sum of these two terms is 0, therefore (−a) × (−b) is positive.

What happens when you add a positive and a negative together?

When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.

What do 2 positives make?

Example×two positives make a positive:3 × 2 = 6×two negatives make a positive:(−3) × (−2) = 6×a negative and a positive make a negative:(−3) × 2 = −6×a positive and a negative make a negative:3 × (−2) = −6

Why does 2 negatives make a positive?

Each number has an “additive inverse” associated to it (a sort of “opposite” number), which when added to the original number gives zero. … 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.

Do 2 minuses make a plus?

Numbers can either be positive or negative. … Adding and multiplying combinations of positive and negative numbers can cause confusion and so care must be taken. Addition and Subtraction. Two ‘pluses’ make a plus, two ‘minuses’ make a plus.

Why does a negative times a negative make a positive?

Explanation: We know that negative times anything means that it will change the sign. Ideally, the second negative should change the sign of our original number (which is also negative). So, our original negative sign is changed into a positive sign when a negative is multiplied to it.

Do two negatives make a positive when multiplying?

When you multiply two negative numbers or two positive numbers then the product is always positive. 3 times 4 equals 12. Since there is one positive and one negative number, the product is negative 12. Now we have two negative numbers, so the result is positive.

What's a negative plus a negative?

When you are adding a negative number to a negative number, it becomes subtraction, where you start from a negative point on the numbers line and move left. … This reads “negative three plus negative 2”. You need to ignore the plus sign and recognize that the second negative means you are subtracting that number.

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What's a negative divided by a negative?

Rule 3: a negative number divided by a negative number equals a positive number. Two negatives make a positive, so a negative number divided by a negative number equals a positive number. For example, -8 / -2 = 4.

What is the difference between negative and positive numbers?

A positive number is a number greater than zero. It can be written with or without a + symbol in front of it. A gain in something is written with a positive number. A negative number is a number that is less than zero.

How do you find the difference between positive and negative numbers?

Change the minus sign (on the operator) to a plus sign. In this example, you’re changing from subtraction to addition: …
Change the number after that minus sign to its opposite. –60 + (–40) = ?
Add the numbers using the rules for adding positive and negative numbers.

Why does a positive plus a positive equal a positive?

):( Positive number plus a positive number, add the two numbers, and it equals a positive number. ):( Positive number minus a negative number switches the double negative to a positive; add the two numbers and it equals a positive number.

Does adding negative numbers matter order?

From your earliest days of math you learned that the order in which you add two numbers doesn’t matter: 3+5 and 5+3 give the same result. The same is true for the addition of any finite set of numbers. … For instance, in calculus you encounter series, which are infinite sums.

WHO said two negatives make a positive?

Quote by Robert McKee: “In life two negatives don’t make a positive.

What is the product of two negative numbers?

RULE 3: The product of two negative integers is positive.

What does a negative times a negative make?

Why a negative times a negative is a positive.

What is the rule for adding negative numbers?

The rule is: Adding a negative number is the same as subtracting the corresponding positive number.

How do you divide 2?

To divide a number by 2 using repeated subtraction, subtract 2 from it over and over again, till you reach 0. The number of times you subtract is the answer to the division problem.

How do multiply fractions?

Multiply the top numbers (the numerators).
Multiply the bottom numbers (the denominators).
Simplify the fraction if needed.

How do you divide by a negative denominator?

When the numerator and denominator have different signs, the quotient is negative. If both the numerator and denominator are negative, then the fraction itself is positive because we are dividing a negative by a negative.