Writing an equation of a line is as easy as m and b. A lesson presentation gives individuals different strategies for writing equations of lines. Some items provide a slope and a point while others provide two points. Whatever the given, the focus is still on m and b.

Concepts

algebraic expressions, slope, slope formula, negative slope, slope-intercept form

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Additional Tags

math

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Instructional Ideas

• Use a graphic organizer to record the different methods learned in the lesson

Classroom Considerations

• Builds on previous work with calculating slope between two points
• Distribute graph paper for use throughout the lesson

Pros

• Includes student handouts of methods
• Provides a complete PowerPoint presentation of the lesson materials

Cons

• Focuses on memorizing steps as opposed to understanding the mathematics
  

Common Core

8.EE.B.5 8.EE.B.6 8.EE.C.7.a 8.EE.C.7.b