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Grades 9/10/11 Quadratic Relations
Unit 5: Solving Problems Involving Quadratic Relations
Lesson 5: Applications
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Partial Factoring
Possible Problem Types
Selecting a Problem-Solving Strategy
Solving Problems by Defining Relations
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Quadratic Relations — Types of Questions and Algebra Skills
Types of Questions Relating to Quadratic Relations:
Finding the zeros
Determining the coordinates of the vertex
Identifying the equation of a quadratic relation
Solving a quadratic equation
Sketching a graph
Algebra Skills Needed:
Expanding
Factoring
Completing the square
Using the quadratic formula
Applying inverse operations
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Lesson Goals
Use partial factoring to determine the vertex of a quadratic relation.
Solve problems involving substitution into a quadratic relation.
Solve problems that require solving a quadratic equation.
Solve problems that involve finding the maximum or minimum of a quadratic relation.
Select an appropriate computational strategy depending on the problem.
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