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# Monthly Archives: February 2008

## Day 93

Algebra: Chapter 5-11, p 249 Mulitplying 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 (or its derivatives for trinomials) The BOX method The … Continue reading

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## Day 92

Algebra: Chapter 5-10, p 245 Multiplying Binomials: Special Products We can use the FOIL or BOX methods to multiply binomials. There are however, 3 special cases that if you recognize them, will save you some work: `(A+B)(A-B)=A^2−B^2` `(A+B)(A+B)=A^2+B^2+2AB` `(A−B)(A−B)=A^2+B^2−2AB` Remember, … Continue reading

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## Day 91

Algebra: Chapter 5-9, p 240 Multiplication of Monomials and Binomials If we multiply a monomial and a binomial, all we have to do is DISTRIBUTE the monomial through the binomial, pretty simple to do. FOIL – first, outside, inside, last. … Continue reading

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## Day 90

Algebra: Chapter 5-8, p 236 Subtraction of Polynomials We do just like the addition of polynomials, except for subtraction, we (remember way back to subtracting with negative numbers) add the opposite. The other thing we have to remember is the … Continue reading

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## Day 89

Algebra: Chapter 5-7, p 233 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 – scan across the … Continue reading

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## Day 87 and 88 (Math 8)

Chapter 7-6 and 7-8, p 351 and 358 Using the Metric System (Thursday) King Henry Died Monday Drinking Chocolate Milk! The first letter of this memory mind-bender stands for: Kilo- Hecto- Deka- Meter, Liter or Gram Deci- Centi- Milli- The … Continue reading

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## Day 87 and 88 (Algebra)

Algebra: Chapter 5-5 and 5-6, p 221 and 226 (Thursday) Polynomials and More Polynomials is the catch term for monomials put together with + or − signs. Polynomials with just 1 term are called “monomials”, with 2 terms they are … Continue reading

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## Day 86

Algebra: Chapter 5-1 and 5-2, p 204 and 209 Exponents and More with Exponents Remember, an exponent tells how many times we use a base as a factor. For example, `a^3=a*a*a`. An expression written with exponents is written using exponential … Continue reading

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## Day 85

Algebra: Chapter 9 TEST Math-8: Chapter 7-4, p 341 Circles and Circumference Definitions: The circumference of a circle is the distance around the perimeter, just like a rectangle. We don’t call it the perimeter but the circumference. The diameter is … Continue reading

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## Day 84

Algebra: Chapter 9 Review Today we went over the Chapter 9 Test Form A. All questions should be answered by now, be ready! Math-8, Chapter 7-3, p 338 Writing 2-step equations We are practicing more 2 step equations, these are … Continue reading

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