Unit 9Quadratic Functions and Equations 

Functions Solving Equations and
Inequalities Modeling 


Lesson/Objective  Supplemental Lessons  Online Practice  Suggested Homework 
91
Quadratic Graphs and Their Properties Objective: To graph quadratic functions of the form y=ax^{2} and y=ax^{2}+c. Essential Understandings: 
Video Tutors Graphing a quadratic function using a table, y = ax^{2} Graphing a quadratic function using a table, y = ax^{2} + c Using a quadratic function to model the height of an object  Example 1 
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You can use a graphing calculator to support your
work BOTH #91 & #92 DUE ON THE SAME DAY!!

92
Quadratic Functions Objective: To graph quadratic functions of the form y=ax^{2}+bx+c. Essential Understandings: 
Video Tutors Graphing a quadratic function, y = ax^{2} + bx + c Using a quadratic function to model the height of an object  Example 2 
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93
Solving Quadratic Equations Objective: To solve quadratic equations by graphing and using square roots Essential Understandings: 
Video Tutors Solving quadratic equations by graphing Solving
quadratic equations using square roots

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BOTH
#93 & #94 DUE ON THE SAME DAY!!
hw#93: Due hw#94: Due

94
Factoring to Solve Quadratic Equations Objective: To solve quadratic equations by factoring and using the zeroproduct property Essential Understandings:Quadratic equations can be solved in a variety of methods, including factoring and using the zeroproduct property. 
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QUIZ on sections 91 thru 94 

95
Completing the Square Objective: To solve quadratic equations by completing the square Essential Understandings: REAL ALGEBRATICIANS COMPLETE THE SQUARE!!! 
Video Tutors Solving quadratic equations using completing the square Solving quadratic equations using completing the square when a does not equal 1 Worked Examples: 
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hw#95: Due
pg 579 #16,717 Odd

96
The Quadratic Formula and the Discriminant Objective: To solve quadratic equations using the QUADRATIC FORMULA Essential Understandings:When a quadratic equation cannot be solved by factoring and COMPLETING THE SQUARE seems difficult (code for: "you are a weenie") the QUADRATIC FORMULA is a method that will work for ANY quadratic equation. 
Video Tutors Solving quadratic equations using the quadratic formula Solving realworld problems using the quadratic formula Using the Discriminant to find the number of solutions and solve problems Choosing the appropriate method to solve quadratic equations 
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hw#96: Due
pg 586587

UNIT TEST REVIEW  UNIT 9 EXTRA PRACTICE  hw#97: Due
BE SURE TO READ (a novel concept) Problem 3 on pg 585. pg 587 #2940 ALL A SMART STUDENT would begin to look at pages 603605... the UNIT 9 TEST will be on Sections 91 thru 96 ONLY. If you try the Chapter Test on pg 607 IGNORE questions #1922 

UNIT
9 TEST: Sections 91 thru 96 ONLY TBA 

SKIP
sections 97 & 98 (left iu place BELOW just in case you can't resist!!) 

97
Linear, Quadratic, and Exponential Models Objective: To choose a linear, quadratic, or exponential model for data. Essential Understandings:A good understanding the various types of algebraic functions is useful so that mathematical models can be applied to realworld data in an appropriate manner. 
Video Tutors Modeling data using a linear, quadratic, or exponential model  Example 1 Modeling data using a linear, quadratic, or exponential model  Example 2

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hw#97: Due pg 
98
Systems of Linear and Quadratic Equations Objective: To solve systems of linear and quadratic equations. Essential Understandings:Systems of linear and quadratic equations can be solved graphically and algebraically. This type of system can have two solutions, one solution, or no solutions. 
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hw#98: Due pg 