Question: Why Negative Plus Negative Equals Positive?

What happens when you multiply a negative by a positive?

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.

Now we have two negative numbers, so the result is positive..

Is a negative times a positive a negative?

Rule 2: A negative number times a positive number equals a negative number. 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.

What happens when you subtract a negative from a negative?

Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, – (-4) becomes +4, and then you add the numbers.

Why does my calculator say a negative squared is negative?

Why do all calculators return a negative answer when you square a negative number? The negation operator has the same place in the order of operations as subtraction. This is because negation is the same as subtracting from 0.

What is the rule for multiplying negative numbers?

When multiplying negative numbers, just remember 2 things. 1: 2 negative values will always give a positive value. 2: If you only have 1 negative value, your answer will also be negative. Just remember these rules and the rest is simple multiplication.

What is the rule for subtracting two negative numbers?

Subtracting a number is the same as adding the opposite of the number. Note: In both examples, we change subtraction to addition and changed the sign of the second number to the opposite sign.

What does a negative plus a negative equal?

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. For example, -3 + (-2). This reads “negative three plus negative 2”.

What does a positive minus a negative equal?

Rule 4: Subtracting a negative number from a positive number—when you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you’re adding a positive, so you have a simple addition problem.

What is the rule for adding and subtracting positive and negative numbers?

When adding positive numbers, count to the right. When adding negative numbers, count to the left. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.

What are the rules for negative and positive numbers?

The Rules:RuleExample+(+)Two like signs become a positive sign3+(+2) = 3 + 2 = 5−(−)6−(−3) = 6 + 3 = 9+(−)Two unlike signs become a negative sign7+(−2) = 7 − 2 = 5−(+)8−(+2) = 8 − 2 = 62 more rows