lesson 2: multiplying and factoring polynomial...
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 2
ALGEBRA I
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Lesson 2: Multiplying and Factoring Polynomial Expressions
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1. Factor completely: 2ܽଶ + 6ܽ + 18
2. Factor completely: 5ݔଶ െ 5
3. Factor completely: 3ݐଷ + ଶݐ18 െ ݐ48
4. Factor completely: 4݊ െ ݊ଷ
Lesson 2: Multiplying and Factoring Polynomial Expressions Date: 9/18/14
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Lesson 4: Advanced Factoring Strategies for Quadratic Expressions Date: 10/30/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 4 ALGEBRA I
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Lesson 4: Advanced Factoring Strategies for Quadratic
Expressions
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1. Explain the importance of recognizing common factors when factoring complicated quadratic expressions.
2. Factor: 8ݔଶ + ݔ6 + 1.
NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 5 ALGEBRA I
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Lesson 5: The Zero Product Property
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1. Factor completely: 3݀ଶ + ݀ െ 10.
2. Solve for ݀: 3݀ଶ + ݀ െ 10 = 0.
3. In what ways are Problems 1 and 2 similar? In what ways are they different?
Lesson 5: The Zero Product Property Date: 9/18/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 6 ALGEBRA I
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Lesson 6: Solving Basic One-Variable Quadratic Equations
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1. Solve the equations.
a. 4ܽଶ = 16
b. 3ܾଶ െ 9 = 0
c. 8െ ܿଶ = 5
2. Solve the equations.
a. ݔ) െ 2)ଶ = 9
b. ݔ)3 െ 2)ଶ = 9
c. 6 = ݔ)24 + 1)ଶ
Lesson 6: Solving Basic One-Variable Quadratic Equations
Date: 9/18/14
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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 9 ALGEBRA I
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Lesson 9: Graphing Quadratic Functions from Factored Form,
() = ) െ)( െ (
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Graph the following function, and identify the key features of the graph: ݄(ݔ) = െ3(ݔ െ ݔ)(2 + 2).
Lesson 9: Graphing Quadratic Functions from Factored Form,
(ݔ)݂ = ݔ)ܽ െ ݔ)(݉ െ ݊) Date: 9/18/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 10 ALGEBRA I
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Lesson 10: Interpreting Quadratic Functions from Graphs and
Tables
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A toy company is manufacturing a new toy and trying to decide on a price that will result in a maximum profit. The graph below represents profit (ܲ) generated by each price of a toy (ݔ). Answer the questions based on the graph of the quadratic function model.
a. If the company wants to make a maximum profit, what should the price of a new toy be?
b. What is the minimum price of a toy that will produce profit for the company? Explain your answer.
ݔ
ݕ = ݕ (ݔ)ܲ
Lesson 10: Interpreting Quadratic Functions from Graphs and Tables Date: 9/18/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 10 ALGEBRA I
c. Estimate the value of ܲ(0), and explain what the value means in the problem and how this may be possible.
d. If the company wants to make a profit of $137, for how much should the toy be sold?
e. Find the domain that will only result in a profit for the company, and find its corresponding range of profit.
f. Choose the interval where the profit is increasing the fastest: [2, 3], [4, 5], [5.5, 6.5], [6, 7]. Explain yourreasoning.
g. The company owner believes that selling the toy at a higher price will result in a greater profit. Explain to theowner how selling the toy at a higher price will affect the profit.
Lesson 10: Interpreting Quadratic Functions from Graphs and Tables Date: 9/18/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 13 ALGEBRA I
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Lesson 13: Solving Quadratic Equations by Completing the
Square
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1. Solve the following quadratic equation both by factoring and by completing the square: ଵସଶݔ െ ݔ = 3.
2. Which method do you prefer to solve this equation? Justify your answer using algebraic reasoning.
Lesson 13: Solving Quadratic Equations by Completing the Square Date: 9/19/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 14
ALGEBRA I
Name ___________________________________________________ Date____________________
Lesson 14: Deriving the Quadratic Formula
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Solve for ܴ using any method. Show your work.
32ܴ
ଶ െ 2ܴ = 2
Lesson 14: Deriving the Quadratic Formula Date: 9/19/14
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Lesson 15: Using the Quadratic Formula Date: 10/31/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 15 ALGEBRA I
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Lesson 15: Using the Quadratic Formula
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1. Solve the following equation using the quadratic formula: 3ݔଶ + ݔ6 + 8 = 6.
2. Is the quadratic formula the most efficient way to solve this equation? Why or why not?
3. How many zeros does the function ݂(ݔ) = ଶݔ3 + ݔ6 + 2 have? Explain how you know.
NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 16 ALGEBRA I
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Lesson 16: Graphing Quadratic Equations from the Vertex Form,
= ) െ ( +
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1. Compare the graphs of the function, ݂(ݔ) = െ2(ݔ + 3)ଶ + 2 and ݃(ݔ) = ݔ)5 + 3)ଶ + 2. What do the graphs have
in common? How are they different?
2. Write two different equations representing quadratic functions whose graphs have vertices at (4.5,െ8).
Lesson 16: Graphing Quadratic Equations from the Vertex Form, ݕ = ݔ)ܽ െ ݄)ଶ + ݇
Date: 9/19/14
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 17 ALGEBRA I
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Lesson 17: Graphing Quadratic Functions from the Standard Form, () = + +
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Graph ݃(ݔ) = ଶݔ + ݔ10 െ 7, and identify the key features (e.g., vertex, axis of symmetry, ݔ- and ݕ-intercepts).
Lesson 17: Graphing Quadratic Functions from the Standard Form, (ݔ)݂ = ଶݔܽ + ݔܾ + ܿ
Date: 9/19/14 © 2014 Common Core, Inc. Some rights reserved. commoncore.org This work is licensed under a
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NYS COMMON CORE MATHEMATICS CURRICULUM M4 Lesson 21 ALGEBRA I
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Lesson 21: Transformations of the Quadratic Parent Function,
() =
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Describe in words the transformations of the graph of the parent function ݂(ݔ) = ଶ that would result in the graph ofݔ(ݔ)݃ = ݔ) + 4)ଶ െ 5. Graph the equation ݕ = .(ݔ)݃
Lesson 21: Transformations of the Quadratic Parent Function, ݂(ݔ) = ଶݔDate: 9/19/14
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