Alg 1 -- Writing Equations of Parallel & Perpendicular Lines

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Common Core Standards
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74 MB|16 pages
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This lesson was created for my Algebra 1 classes. It was designed to coordinate with Section 5.5 of the Prentice Hall CA Algebra 1 textbook. This PowerPoint shows students how to write the equation of lines that are parallel or perpendicular to given lines, and containing a given point. It does not use the point-slope formula, however. Instead, it uses the slope and the point and y = mx + b.

This is the third Powerpoint lesson I use to teach my students to Write the Equations of Lines. I have divided the topic into four lessons:

1. Writing Equations of Lines: Day 1 This lesson shows how to write the equation given the slope and the y-intercept, and how to write the equation given a graph. It also shows the slope-intercept form and standard form of the equation.

2. Writing Equations of Lines: Day 2 which shows how to write the equation given the slope and a point contained in the line, and how to write the equation given two points on the line.

3. Writing Equations of Lines that are Parallel or Perpendicular to a given line.

4. A review of writing the equations and graphing the lines with the information given.

Fun Reviews for Writing Equations of Lines
Equations of Lines Scavenger Hunt (graphs)
Equations of Lines Scavenger Hunt
Equations of Lines Relays
Equations of Lines Partner Problems
Equations of Lines Review (What’s My Line?)
Writing Equations of Lines (Halloween Themed)

Save money: Writing Equations of Lines Lessons & Fun Reviews Bundle!
Algebra 1 Bundles are available for every topic you may need!

For more fun ways to review other important topics, try these:
Scavenger Hunts
Fun PowerPoint Review Games
Relays
Tic Tac Toes
Partner Problems
Bingos

Common Core Standard:
G-GPE 5. Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point).

Previous California Standard for Algebra 1:
8.0 Students understand the concepts of parallel lines and perpendicular lines and how those slopes are related. Students are able to find the equation of a line perpendicular to a given line that passes through a given point.
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