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Becuase in the rule of laws of signs, when you multiply or divide a number that is positve by a negative number or a number that is negative by a positive number (same thing), the product/answer will always be a negative number. But when you multiply/divide a positive number by positive or negative by negative, the product/answer will always be positive number E.g:
-2 x 2= -4 / 2 x (-2)= -4
-2 -:- 2= -1 / 2 -:- (-2)= -1
E.g:
2 x 2=4 / -2 x (-2)=4
2 -:- 2= 1 / -2 -:- (-2)=1
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If you multiply a negative number by a negative number is your answer going to be a negative number or a positive number?
A negative multiplied by another negative will always give a positive answer. E.g. -4 x - 3 = 12
How do you multiply a negative number by a positive number?
You multiply the numbers just like you would normally except that the product will have a negative sign. Example: -6 X 5 = -30. When you multiply a negative number and a positive number, the product will always be negative. Multiplying two positive numbers or two negative numbers will give you positive products.
Does a negative plus a negative give you a positive?
No, it does not.
How do you add negative numbers to positive numbers?
To add a negative number and a positive number: -- Find the difference of their absolute values (their sizes, ignoring their signs). -- Give it the same sign as whichever of the original two numbers had the larger absolute value.
What are the factor pairs of NEGATIVE numbers?
The numbers are the same as positive numbers, just the signs change. Write out the factor pairs as if the number were positive, but make one of the numbers positive and one negative. Now write the same pairs over again and reverse the signs. Negative numbers have twice as many factor pairs as positive numbers do.
