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## Intermediate Algebra

by: Mr. Jayde Auer

29

0

3

# Intermediate Algebra MATH 108

Mr. Jayde Auer
UI
GPA 3.97

Staff

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COURSE
PROF.
Staff
TYPE
Class Notes
PAGES
3
WORDS
KARMA
25 ?

## Popular in Mathematics (M)

This 3 page Class Notes was uploaded by Mr. Jayde Auer on Friday October 23, 2015. The Class Notes belongs to MATH 108 at University of Idaho taught by Staff in Fall. Since its upload, it has received 29 views. For similar materials see /class/227761/math-108-university-of-idaho in Mathematics (M) at University of Idaho.

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Date Created: 10/23/15
ALWAYS ALWAYS check for the GCF first The order to do factoring l GCF 2 Grouping 4 terms common factor 2by2 3 Trinomial There are lots of different ways a trinomial can look The hot tip is three terms and the powers go down 2 1 nothing Everything else in this section is a variation on the 2 1 nothing theme ALWAYS try to make your life easier by nding a common factor This is especially true on certain exercises They aren t done if they don t have the GCF out I like the table method better than the trialanderror method because it ORGANIZES the trial and error you know you haven t missed anything and it SELFCHECKS Watch the OLL on that If you want to see some other shortcuts using factoring trees View the OLL ALWAYS check your answers by multiplying them back out The square root of a negative number still isn t real but now we can label it with an 139 and do some work with it When you nd a quotient it s like the binomial denominators in previous sections Instead of hauling around a radical however you take along 1 and remember that i squared is 1 When you are dividing think of those radicals from previous sections They are a lot like these You are using that difference of squares pattern again ALWAYS ALWAYS check for the GCF first Another way to think of the GCF is to look for the lowest power of each factor that appears in all terms What you say is with the term thing Factors are multiplied Terms are separated by a or a The hot tip for grouping 4 terms Here s a memory deVice you can nd a GCF IF you look at the terms 2 by 2 Think of Noah s ark 7 the animals went in 2 by 2 The order to do factoring l GCF 2 Grouping 4 terms common factor 2by2

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