When two positive numbers are multiplied or divided together, the answer is positive. When two negative numbers are multiplied or divided together, the answer is positive. If a positive number and a negative number are multiplied or divided, the answer is negative.
Why do two negatives make a positive?
Every number is associated with an additive inverse (a kind of opposite number) which, when added to the original number, equals zero. … So the fact that the product of two negative numbers is positive is related to the inverse of the inverse of a positive number being that positive number again.
Do two minus points make a plus?
Adding and multiplying combinations of positive and negative numbers can be confusing, so caution is advised. Two plus is plus, two minus is plus. A plus and a minus make a minus.
Why is the sum of two negatives negative?
The sum of two negative numbers is always negative because adding two negative numbers further decreases their value, while two negative numbers are positive because they cancel out the negativity of the other to give a positive product.
Do two negatives divided make a positive?
If you multiply/divide two numbers with the same sign, the answer is positive. If the two signs are different, the answer is negative. So if we divide a negative by a positive, the answer will be negative.
What happens when you subtract two negative numbers?
Rule 3: Subtract a negative number from a negative number – a minus sign followed by a minus sign makes both signs a plus sign. So instead of subtracting a minus, you add a plus. … So we change the two negative signs to positive signs, so the equation now becomes 2 + 4.
What is positive negative?
Rule 2: A negative number multiplied by a positive number results in a negative number. If you multiply a negative number by a positive number, your result is a negative number. No matter the order in which the positive and negative numbers are multiplied, the result is always a negative number.
What is positive plus negative?
If you have two negative signs, one flips and they add up to a positive sign. If you have a positive and a negative result, a dash remains and the answer is negative.
What is a minus multiplied by a plus?
Rule 2: A negative number multiplied by a positive number results in a negative number. If you multiply a negative number by a positive number, your result is a negative number. No matter the order in which the positive and negative numbers are multiplied, the result is always a negative number.
What is the rule for adding two negative numbers?
Adding two negative numbers is easy: you just add two negative arrows, so it’s like regular addition, but in the opposite direction. Example: 4 + 6 = 10 and -4 – 6 = -4 + (-6) = -10.
What is the quotient of two negative numbers?
RULE 1: The quotient of a positive integer and a negative integer is negative. RULE 2: The quotient of two positive integers is positive. RULE 3: The quotient of two negative integers is positive. If the signs are different, the answer is negative.