Monthly Archives: November 2011

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 →

Algebra: Chapter 9, Lesson 2, page 405. Compound Sentences Conjunctions 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 →

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 →

Algebra: Chapter 8 Benchmark! ====================================================================== Algebra 1a: Chapter 3, Lesson 9, page 148. Proportions A ratio of 2 quantities is a comparison, often expressed as a fraction. An equation that states that 2 ratios are equal is called a proportion. … Continue reading →

Algebra: Chapter 8 Review Test on Friday, make sure that your notes are all up-to-date. The Chapter 8 Review Packet for homework is a great prep for the test. Make sure that you REMEMBER HOW TO GRAPH 2 EQUATIONS OR … Continue reading →

Algebra: Chapter 8 Review Test on Friday, make sure that your notes are all up-to-date. The Chapter 8 Review Packet for homework is a great prep for the test. Make sure that you REMEMBER HOW TO GRAPH 2 EQUATIONS OR … Continue reading →

Algebra: Chapter 8, Lesson 6, page 387. Digit and Coin word problems. Just remember to write the coin problems with the d (dime), q (quarter), n (nickel) preceeded by the value of the coin remembering that the d, q or … Continue reading →

Algebra: Chapter 8, Lesson 5, page 380. Motion Problems D-R-T Problems (otherwise known as DIRT problems). `D` is the distance, `R` is the rate (or speed like miles per hour [mph] or kilometers per hour [kph] or feet per second … Continue reading →

Algebra: Chapter 8, Lesson 4, page 373. Using systems of equations Steps to solve systems of equations can be: Graph the equations Substitution of one variable in terms of the other Adding or subtracting the 2 equations Before you start … Continue reading →

Algebra: Chapter 8, Lesson 3, page 367. Addition and Subtraction for 2 linear equations. You can add 2 (or subtract) linear equations together so that one of the variables cancels out. An example would be: `3x – y = 9` … Continue reading →