Identifying Roots and Critical Points-Need to Edit

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Objective

SWBAT visually identify the roots, vertex, axis of symmetry of a quadratic function.

Big Idea

This matching lesson allows students to create their own meaning about essential vocabulary dealing with quadratic functions.

Lesson Author

James Bialasik

Amherst, NY

Grade Level

Ninth grade

Subjects

Math

Algebra

quadratic functions

maximum points

minimum points

Quadratic Equations

Standards

HSF-IF.C.7a

Graph linear and quadratic functions and show intercepts, maxima, and minima.

HSF-IF.C.9

Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a graph of one quadratic function and an algebraic expression for another, say which has the larger maximum.

MP1

Make sense of problems and persevere in solving them.

MP2

Reason abstractly and quantitatively.

MP3

Construct viable arguments and critique the reasoning of others.

MP7

Look for and make use of structure.

Warm up

5 minutes

Investigation

30 minutes

Closure

5 minutes

This lesson closure (quadratic_attributes_TOD.doc) allows students to check their own understanding regarding today's lesson. The activity requires students to apply the vocabulary terms that they have utilized in the lesson to a new situation (MP1). This ticket out will give you very comprehensive feedback about which portions of the day's lesson were secure and which portions students still need work on.

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