This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Some examples: Multiplying or dividing by different signs makes the answer negative. Some examples: One more thing that’s useful to bring up is something a lot of people never really get: what those parentheses actually do. This is important because, with exponents, they can cause some trouble. An example: The reason why this works is because of the Order of Operations. Remember that parentheses get to go first in line, so the 2 is turned negative first thing. After that we multiply it 4 times … If you’ve got your negative and positive down just go left to right from this point. You should come up with a positive result! Let’s contrast this with the second problem: Keep in mind that, this time, we do the exponent first. We make the answer negative last! An easy way to remember it is this: Parentheses: Positive. The double P action!...
View
Full Document
 Fall '11
 J.King
 Algebra, Real Numbers, Addition, Subtraction, MORAINE VALLEY COMMUNITY COLLEGE

Click to edit the document details