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Unit 2  - Quadratic and Rational Functions

Global Context

Key Concept

Form

The shape and underlying
structure of an entity or piece
of work, including it's
organization, essential nature,
and external appearance.
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Scientific and 
Technical
Innovation

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Related Concepts

Patterns, Space,
Equivalence

Patterns: Sets of numbers or objects that follow a specific pattern or rule.
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Space: The frame of geometrical dimensions describing an entity.
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Equivalence: The state of being equal to or identically interchangeable, applied to statements, quantities, or expressions.
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Learning Objectives

  • Factorizing quadratic expressions, where the coefficient of x^2 is 1, including the difference of squares

  • Factoring quadratic expressions where the coefficient of x^2 is not 1

  • Finding the axis of symmetry and vertex of a quadratic function

  • Expression a quadratic function in three different forms: standard, vertex, and factored

  • Finding a quadratic function given three distinct points on its graph

  • Finding a function to model a real-life parabola

  • Solving quadratic equations algebraically and graphically

  • Solving real life problems by creating and using quadratic models

Statement of Inquiry

Representing patterns with equivalent forms can lead to better systems, models and methods.

Inquiry Questions

Factual

  • What does "expanding brackets" mean?

  • What does "factorize a quadratic expression" mean?

  • What shape is the graph of a quadratic equation?

  • How do the parameters of a quadratic function affect the shape of the graph?

  • What is the null factor law?

  • How do you solve a quadratic equation in factorized form?

Conceptual

  • How do patterns in expanding brackets help you factor quadratic expressions?

  • How can you express a quadratic function in three different ways?

  • What are the advantages of each form of a quadratic equation?

Debatable

  • Can everything be written in a different form?

  • What makes one quadratic form better than another one?

  • Do systems, models, and methods solve problems or create them?

Unit Discussion
Questions & Suggestions

Click on the microphone icon to enter our Unit and Lesson Discussion.

  • Begin a discussion thread by adding a specific question under a Lesson heading.

  • Suggest links to videos and websites that have helped you in your learning.

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Welcome!
We'll get started
during this lesson!

Learn

Lesson 1:

 

Review of 
Expansion Laws

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Take notes and discuss this 
presentation
.
    + Notes Page

Want more practice?
Bonus Problem Set

Collaborate

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Criterion C:
Communicate mathematically. .


.None today.

Criterion D: 
Real world mathematics.


.None today.

Reflect

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Additional Resources:

Resource 1

Resource 2
 

Get Inspired !

Impossible Cord ?

​

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Lesson 2:

 

Factoring GCFs and
Difference of Squares

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Video Lesson


Practice Problems

Ask your questions
in our Unit Discussion.

​

Learn

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Laugh together.
These problem sets are really funny.

Problem Sets

Collaborate

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Criterion C:
Communicate mathematically. .


Complete this TASK.

Criterion D: 
Real world mathematics.


None today.

Reflect

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Additional Resources:

Factoring

​

Get Inspired !

Problems with Zero

​

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Lesson 3:

 

Factoring Quadratic
Trinomials

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Video Lesson 1
     + Notes Page
Video Lesson 2

     + Notes Page

Ask your questions
in our Unit Discussion.

​

Learn

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Class Problem Set

     (+ presentation)
 

Want More Practice?
Bonus Problem Set

Collaborate

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Criterion C:
Communicate mathematically. .


None today.

Criterion D: 
Real world mathematics.


None today.

Reflect

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Additional Resources:

Factoring Trinomials

​

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Does Area assume
that a Country is Flat?

​

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Lesson 4:
 

Factoring Review

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Video Lesson


Practice Assignment
(Mixed Factoring)

Ask your questions
in our Unit Discussion.

Learn

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Put your factoring skills into a process:

Factoring Flow Chart

​

Challenge Problems

Collaborate

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Criterion C:
Communicate mathematically. .


Complete THIS task.

Criterion D: 
Real world mathematics.


None today.

Reflect

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Additional Resources:

Review of all Factoring

​
 

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The Mobius Strip

​

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Lesson 5:
 

Solving Quadratic
Equations

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If you haven't finished:
Challenge Problem Video

Video Lesson
Practice Assignment

Ask your questions
in our Unit Discussion.

Learn

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Criterion C:
Communicate mathematically. .


None today.

Criterion D: 
Real world mathematics.


Complete STEP 1 today.

Reflect

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Additional Resources:

Solving by Factoring
 

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Doodling Dragons?

​

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Lesson 6:
 

Solving Quadratic
Equations 2

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Video Lesson

short Practice Assignment

Ask your questions
in our Unit Discussion.

Learn

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In Class Video Lesson
(Quadratic Word Prb.)

.More Challenge
Problems


Need More?  (go HERE)

Collaborate

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Criterion C:
Communicate mathematically. .


None today.

Criterion D: 
Real world mathematics.


None today.

Reflect

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Additional Resources:

Quadratic Word
Problems

 

Get Inspired !

Earth's Radius

​

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Lesson 7:
 

Effects of Changing
Quadratic Parameters

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Video Lesson

Video Notes Page

Ask your questions
in our Unit Discussion.

Learn

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Some collaborative
activities will be 
shared during the lesson.
 

Collaborate

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Criterion C:
Communicate mathematically. .


Complete THIS TASK..

Criterion D: 
Real world mathematics.


Continue 
STEP 1 today.

Reflect

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Additional Resources:

More on the Effects of Changing a, b, and c
 

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The Bubble that Breaks Maths !

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Lesson 8:
 

Graphing Standard
Form Quadratics

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Video Lesson
 

Video Notes Page
(+ More Practice)


Ask your questions
in our Unit Discussion.

Learn

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Criterion C:
Communicate mathematically. .


None today.

Criterion D: 
Real world mathematics.


Continue 
STEP 1 today.

Reflect

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Additional Resources:

Graphing Quadratics
 

Get Inspired !

The Doomsday
Algorithm

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Lesson 9:
 

Intercept and Vertex
Form Quadratics

Lesson 10:
 

Completing
the Square

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Did you complete the "Applied Problems" from Lesson 8 ?

What about the extra word problems in Lesson 6?


Ask your questions
in our Unit Discussion.

Learn

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Video Lesson
  + Video Notes Page


Ask your questions
in our Unit Discussion.

Learn

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Investigation 1:
Vertex Form Quadratics
      Video      Notes Page


Investigation 2:
Intercept Form Quadratics
      Video      Notes Page

Collaborate

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Criterion C:
Communicate mathematically. .


None today.

Criterion D: 
Real world mathematics.


Continue 
STEP 1 today.

Reflect

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As a small group,
Try the 3 or 4 problems given 
in THIS TASK.
 

Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Continue STEP 2 today.

Reflect

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Additional Resources:

Forms of Quadratics
 

Get Inspired !

Geometric Bees ?

​

Explore

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Additional Resources:

Completing the Square
 

Get Inspired !

Top 10

​

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Lesson 11:
 

Area Maximization
Problems

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Make Corrections
to the Bouncing Ball Task

Continue STEP 2 of the
Criterion D Unit Project.

​

Learn

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4 Problems Notes Page

Presentation (includes solutions to 4 problems)

Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Continue 
STEP 2 today.

Reflect

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Additional Resources:

Area Maximization
 

Get Inspired !

British Road Signs

​

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Lesson 12:
 

Solving by
Completing 
the Square

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Video Lesson 
Practice

Also:  did you try Problem 4 in the class word problems?  You should!

Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Lesson Presentation
     
        + Notes Page

Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Continue 
STEP 2 today.

Reflect

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Additional Resources:

Completing the Square
 

Get Inspired !

Freefall without
air resistance ?

​

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Lesson 13:
 

Applying the
Discriminant

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Video Lesson 
     + Video Notes Page

 

 


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Continue STEP 3 today.

Reflect

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Additional Resources:

The Discriminant
 

Get Inspired !

Can we Share Fair?

​

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Lesson 14:
 

Final Quadratic
Word Problems

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Video Lesson
 

 


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Word Problems
Lots of Practice !

Notes Page

Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Complete Step 3.

Reflect

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Additional Resources:

Quadratic word problems
 

Get Inspired !

...

​

Explore

Lesson 15:
 

Creating Quadratic
Models

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Video Lesson
 

   Video Notes Page


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

Complete the project today.
Step 4.

Reflect

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Additional Resources:

Creating Quadratic
Equations from Graphs

 

Get Inspired !

Stitch Patterns​

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Lesson 16:
 

Simplifying
Rationals

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Video Lesson
 

   Video Notes Page
   + Practice Assignment


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Collaborate

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

None today.

Reflect

explore.JPG

Additional Resources:

Simplifying rationals.
 

Get Inspired !

Christmas Math ?​

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Lesson 17:
 

Adding and 
Subtracting
Rationals

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Video Lesson
 

 Practice Assignment


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

None today.

Reflect

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Additional Resources:

Adding/Subtr. Rationals
 

Get Inspired !

Amazing Math Graphs​

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Lesson 18:
 

Solving Rational
Equations

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Video Lesson
   + Video Notes Page

​


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Collaborate

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Criterion C:
Communicate mathematically. .

Complete THIS task.

Criterion D: 
Real world mathematics.

None today.

Reflect

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Additional Resources:

Solving Rational Eqns.
 

Get Inspired !

Omicron - The Number​

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Lesson 19:
 

Applied Problems
and Review

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...
 

​


Ask your questions in the
Unit Discussion Padlet.

​

Learn

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Criterion C:
Communicate mathematically. .

None today.

Criterion D: 
Real world mathematics.

None today.

Reflect

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Additional Resources:

Applied Rational Eqns.
 

Get Inspired !

What is a Number ?​

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