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# Monthly Archives: December 2008

## Day 74-78, December 15-19

SNOW DAYS (Monday – Friday) Merry Christmas and Happy New Year! See everyone in 2009!

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## Day 72 – December 11

Algebra: Chapter 9 Review Make sure that your notes are up-to-date and review the homework for tomorrow’s TEST!

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## Day 71 – December 10

Algebra: Chapter 9, Lesson 6, page 421. Graphing Systems of Linear Inequalities We continue Chapter 9-5 techniques and solve 2 inequalities. For the first equation, we can use any technique we learned from Chapter 7. Usually, the slope-intercept or `x` … Continue reading

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## Day 70 – December 9

Algebra: Chapter 9, Lesson 5, page 417. Inequalities in 2 variables Given an inequality, treat it as an equality and using the `x` and `y` intercepts, find the solution to the equality. Plot it on your graph paper. If the … Continue reading

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## Day 69 – December 8

Algebra: Chapter 9, Lesson 4, page 413. Inequalities and Absolute Value If the inequality with absolute values looks like: `| A | < b`, then we solve the conjunction `-b < A < b`. Think of a number line, and … Continue reading

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## Day 68 – December 5

Algebra: Chapter 9, Lesson 3, page 411. Equations and Absolute Value To solve an equation of the form `| A | = b`, solve the disjunction `A = b` OR `A = −b`. You will have 2 equations to solve … Continue reading

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## Day 67 – December 4

Algebra: Chapter 9, Lesson 2, page 405. Compound Sentences Conjuctions and Disjunctions are like Intersections and Unions (respectively) from lesson 9-1. A disjunction of 2 statements is formed by connecting them with the word “or”. A disjunction is true when … Continue reading

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## Day 66 – December 3

Algebra: Chapter 9, Lesson 1, page 400. Sets, Intersections and Unions A set is a well-defined collection of objects called members or elements. Roster notation LISTS the members of the set. Set-Builder Notation gives a DESCRIPTION of how the set … Continue reading

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