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To watch Mr. E do 2 of today's homework problems, you must have Apple Quicktime installed on your computer. It is available for FREE for the PC or Mac here! If you have iTunes on your PC or Mac, you're all set!!### Blog Calendar

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# Monthly Archives: February 2010

## Day 115 – February 26

Algebra: Chapter 6, Lesson 9, page 291. Using Equations that Factor There are 3 steps to using the problem solving guidelines below to help solve problems involving writing and solving an equation. They are: 1. Understand the problem What am … Continue reading

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## Day 114 – February 25

Algebra: Chapter 6, Lesson 8, page 286. Solving Equations by Factoring The principle of zero products states that: for any rational numbers a and b, if the product `ab = 0`, then `a=0` or `b=0` or both `a` and `b … Continue reading

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## Day 113 – February 24

Algebra: Chapter 6, Lesson 7, page 283. Factoring: A General Strategy To factor polynomials: Always look first for a common factor Then look at the number of terms 2 terms – determine whether you have a difference of 2 squares … Continue reading

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## Day 112 – February 23

Algebra: Chapter 6, Lesson 6, page 281. Factoring by Grouping Factoring by grouping works for polynomials that are greater than trinomials. Grouping usually works with polynomials that have 4 terms. All that you have to do is group the polynomials … Continue reading

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## Day 111 – February 22

Algebra: Chapter 6, Lesson 5, page 278 – DAY#2 Factoring `ax^2 + bx + c Here is a link to my podcast on iTunes about the BOX and CROSS METHODS. ¦ ¤ ¦¦ ¤ ¦¦ ¤ ¦¦ ¤ ¦¦ ¤ … Continue reading

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## Day 110 – February 19

Algebra: Chapter 6, Lesson 5, page 278 Factoring `ax^2 + bx + c I don’t like the approach the textbook uses to factor generalized trinomials or quadratics. Remember that these are of the form `ax^2 + bx + c`. Using … Continue reading

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## Day 109 – February 18

Algebra: Chapter 6, Lesson 4, page 273 – DAY #3 Factoring quadratics of the form … `x^2 + bx +c ` – see Tuesday’s discussion. The BOX METHOD is linked here, all you need is a computer with sound. You … Continue reading

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## Day 108 – February 17

Algebra: Chapter 6, Lesson 4, page 273 – DAY #2 Factoring quadratics of the form … `x^2 + bx +c ` – see yesterday’s discussion. The BOX METHOD is linked here, all you need is a computer with sound. You … Continue reading

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## Day 107 – February 16

Algebra: Chapter 6, Lesson 4, page 273. Factoring quadratics of the form … `x^2 + bx +c ` MrE uses the BOX METHOD OF FACTORING for lessons 4 and 5. You are welcome to use the techniques in the textbook, … Continue reading

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## Day 106 – February 11

Algebra: Chapter 6, Lesson 3, page 270 Trinomial Squares We are going backward again, using the properties: `(a + b)(a + b) = a^2 + 2ab + b^2 = (a + b)^2` `(a – b)(a – b) = a^2 – … Continue reading

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