There are many equations Algebra I students are not ready to solve. Graphing to solve gives them a strategy to use when they are unsure of an algebraic approach to solve the problem. The lesson exposes learners to a wide variety of types of equations. 

Concepts

solving equations, graphing equations

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Additional Tags

math

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Instructional Ideas

• Begin by having class members graph by hand to reinforce the relationship between the input and output values; progress to using the graphing calculator
• Emphasize the pros and cons of using graphing to solve and discuss challenges 

Classroom Considerations

• Requires the use of graphing calculators capable of finding intersection points
• The 17th installment of a 26-part series

Pros

• Connections are made between the graph and the equation with clear explanations
• Includes an opening and an exit ticket
• All handouts, keys, and a detailed teacher guide are provided

Cons

• None

Common Core

HSA-REI.D.11 HSF-IF.C.7.a HSF-BF.B.3