Monthly Archives: January 2012

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →