##
* *Reflection: Rigor
Unit Assessment on Quadratic Functions - Section 1: Assessment

This year, I prepared a select group of 8th graders to take the first-ever Common Core-aligned Algebra I exam. One of the new tasks was to not only use the quadratic formula, but to DERIVE it. It was quite fun, and we used a story I found on the Internet that my kids actually LOVED to memorize it (in addition to deriving it).

A negative boy couldn't decide whether or not to go to a radical party. Being square, he decided NOT to go... and missed out on 4 awesome chicks. And the party wasn't "over" until 2am.

Get it? :)

See the attached student samples in the resource section for more.

*Rigor: Deriving the quadratic formula*

Unit Assessment on Quadratic Functions

# Unit Assessment on Quadratic Functions

Unit 13: QUADRATIC FUNCTIONS

Lesson 9 of 9

Lesson 9 of 9

## Objective: SWBAT demonstrate mastery of unit objectives from the unit on quadratic functions.

## Big Idea: Assess and analyze! Understand if your kids truly mastered this unit on quadratic functions.

Standards:

Subject(s):

Math, Quadratic Equations, Algebra, roots (Algebra), quadratic functions, parabola, vertices, Quadratics, function

*75 minutes*

2

#### Resources

*expand content*

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- UNIT 1: FLUENCIES AND THE LANGUAGE OF ALGEBRA
- UNIT 2: SOLVING LINEAR EQUATIONS
- UNIT 3: INTRODUCTION TO FUNCTIONS
- UNIT 4: INTERPRETING AND COMPARING LINEAR FUNCTIONS
- UNIT 5: SYSTEMS OF LINEAR EQUATIONS
- UNIT 6: EXPONENTS AND SCIENTIFIC NOTATION
- UNIT 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
- UNIT 8: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS
- UNIT 9: PATTERNS OF ASSOCIATION IN BIVARIATE DATA
- UNIT 10: SLOPE REVISITED
- UNIT 11: VOLUME OF CYLINDERS, CONES, AND SPHERES
- UNIT 12: POLYNOMIALS AND FACTORING
- UNIT 13: QUADRATIC FUNCTIONS

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- LESSON 1: Introduction to quadratic functions
- LESSON 2: Explore changing coefficients
- LESSON 3: Axis of symmetry and vertex algebraically
- LESSON 4: Roots and Factors
- LESSON 5: Solve quadratics by factoring - varied
- LESSON 6: Graph quadratic functions
- LESSON 7: Solve systems of quadratic and linear equations graphically
- LESSON 8: Solve systems of linear and quadratic functions algebraically
- LESSON 9: Unit Assessment on Quadratic Functions

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