Category Archives: Math 8

Day 68 Algebra: Chapter 8-3 and 8-4 Review, pages 367 and 373 (Monday, January 14) We reviewed all the homework problems from Chapter 8-3 and 8-4. Today was a day to ask questions and to make sure that we know … Continue reading →

Algebra: Chapter 8-3, p 367 The Addition Method Another technique to solve systems of equations is the Addition (or Subtraction) Method. In this approach, line up (vertically) both equations and see if you can eliminate one of the variables (x … Continue reading →

Algebra: Chapter 8-2, p 362 The Substitution Method You can solve a system of equations by substituting for a variable. If there are 2 equations, `x + y = 6` and `x = y + 2` then using the information … Continue reading →

Algebra: Chapter 8-1, p 358 Solving Systems of Equations by Graphing A set of equations for which a common solution is called a “system of equations”. A “solution” of a system of 2 equations in 2 variables is an ordered … Continue reading →

Algebra: Chapter 7 TEST Results on the website, click on the Algebra page and pick your class and use your student ID number. Math 8: Chapter 5, Quiz A/B Results on the website too, click on the Math 8 page … Continue reading →

Algebra: Chapter 7 Review, p 350 We use Form A version of the test as a review for tomorrow. You have the answers from the key. Make sure that you finish the test at home, it is in lieu of … Continue reading →

Algebra: Chapter 7-8, p 338 Parallel and Perpendicular Lines Parallel lines by definition have the same slope. So, for the equation of 2 lines, all we have to do is figure out what the slope is of them both. if … Continue reading →

Algebra: Chapter 7-6, p 328 Finding an Equation of a Line There are 2 ways that we can find an equation of a line. However, we need to have at least 2 points (x,y) or 1 point (x,y) and the … Continue reading →

Algebra and Math 8 Workday: Everyone to catch up on missing assignments, quizzes and tests.

Algebra: Chapter 7-5, p 323 Equations and Slope An equation `y = mx+b` is called the slope-intercept equation of a line. The slope is m and the y-intercept is b. Without having to plot points, make a T chart, we … Continue reading →