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What is each part of an algebraic expression separated by a plus or minus sign called?
An algebraic term.
What is separated by a plus or minus sign and can be a number or a product of a number and variables?
An algebraic expression or equation may be separated by a plus or minus sign, and it can consist of terms that are numbers or products of numbers and variables.
How were the plus and minus sign invented?
The person who invented the plus sign is the same as the minus
What is the additive inverse of -0.125?
To find the additive inverse of any number, just change the plus sign (or no sign) to a minus sign, or (as in this case), if there already is a minus sign, change it to a plus sign (or no sign).
Negative add to another negative is?
When you have a minus and a plus sign together, you simply ignore the plus sign. For example -5 + -3 is the same as -5 - 3 which is -8. If you have two minus signs together, you replace them with a plus sign. For example -5 - -3 is the same as -5 + 3 which gives -2. At school I learned a simple rule: 'Minus a minus is a plus'
