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# Monthly Archives: January 2012

## Day 96 and 97 – January 30, 31

Algebra: Chapter 6, Lesson 5, page 278, Day 1 – 2. Factoring `ax^2 + bx + c` Go slow, be methodical and do NO shortcuts. The Box and the Cross are your friends when we have `ax^2` instead of just … Continue reading

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## Day 95 – January 27

Algebra: Chapter 6, Lesson 4, page 273 (day #3). Factoring quadratics of the form … `x^2 + bx +c ` The BOX METHOD is linked here, all you need is a computer with sound. You can also grab it for … Continue reading

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## Day 94 – January 26

Algebra: Chapter 6, Lesson 4, page 273 (day #2). Factoring quadratics of the form … `x^2 + bx +c ` The BOX METHOD is linked here, all you need is a computer with sound. You can also grab it for … Continue reading

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## Day 93 – January 25

Algebra: Chapter 6, Lesson 4, page 273. Factoring quadratics of the form … `x^2 + bx +c ` The BOX METHOD is linked here, all you need is a computer with sound. You can also grab it for your iPod … Continue reading

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## Day 92 – January 24

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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## Day 91 – January 23

Algebra: Chapter 6, Lesson 2, page 266. Difference of 2 squares For a binomial to be a difference of 2 squares, 2 conditions must be met. There must be 2 terms, both must be square (e.g., `4x^2` and `9x^4`) There … Continue reading

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## Day 90 – January 20

Algebra: Chapter 6, Lesson 1, page 262. Factoring Polynomials Divisibility Rules A number is divisible by the numbers below if the following rules hold: 2, if the last digit is an even number 3, if the sum of the digits … Continue reading

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## Day 89 – January 19

Algebra: Chapter 5 – 200 POINT BENCHMARK ====================================================================== Algebra 1a: Chapter 7, Lesson 2, page 309. Graphing Equations We can graph an equation, by building a T-chart of values for both x and y. You can choose any values for … Continue reading

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## Day 88 – January 18

Algebra: Chapter 5 – 200 POINT BENCHMARK REVIEW SUMMARY Addition of Polynomials When we add polynomials, it can be easier if we order them in descending order for one of the variables. We can add polynomials in 2 ways: Horizontally … Continue reading

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## Day 87 – January 17

Algebra: Chapter 5 Review Multiplying Polynomials To multiply a monomial and a polynomial: multiply each term of the polynomial by the monomial There are 3 techniques to multiply binomials: FOIL (FIRST, OUTSIDE, INSIDE, LAST – or its derivatives for trinomials) … Continue reading

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