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Do Now 4/12/10 Copy HW in your planner. Copy HW in your planner. Text p. 632, #3-5, 12 – 32 multiples of 4, #40 Text p. 632, #3-5, 12 – 32 multiples of 4, #40 In your notebook, define the word LINEAR in your own words. Then explain how to graph a linear equation/function. In your notebook, define the word LINEAR in your own words. Then explain how to graph a linear equation/function.

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Chapter 10 “Quadratic Equations and Functions” (10.1) Graph y = ax² + c (10.1) Graph y = ax² + c (10.2) Graph y = ax² + bx + c (10.2) Graph y = ax² + bx + c (10.3) Solve Quadratic Equations by Graphing (10.3) Solve Quadratic Equations by Graphing (10.4) Use Square Roots to Solve Quadratic Equations (10.4) Use Square Roots to Solve Quadratic Equations (10.6) Solve Quadratic Equations by the Quadratic Formula (10.6) Solve Quadratic Equations by the Quadratic Formula

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Objective SWBAT graph y = ax² + c SWBAT graph y = ax² + c

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Section 10.1 “Graph y = ax² + c” A nonlinear function that can be written in the standard form y = ax² + bx + c where a = 0. The graph of a quadratic function is in the form of a U-shape and called a parabola. Quadratic Function

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Graphing: y = ax² + c y-axis x-axis xy y = x² 00 11 24 391 -24 -39 Vertex- the lowest or highest point of the parabola Axis of Symmetry- the line that divides a parabola into 2 symmetric parts “ParentQuadraticFunction”

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Graphing: y = ax² + c y-axis x-axis xy y = 3x² 00 13 2 123 -212 “Parent Quadratic Function” y = x² y = 3x² How does y = 3x² differ from the parent function y = x²?

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Graphing: y = ax² + c y-axis x-axis xy y = 3x² 00 13 2 123 -212 “Parent Quadratic Function” y = x² y = 3x² xy0-3 10 2 90 -29 y = 3x²– 3 y = 3x² -3

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Graphing: y = ax² + c y-axis x-axis xy y = -1/4x² 00 1-1/4 2 4-4 6-9 “Parent Quadratic Function” y = x² y = -1/4x²-1/4 -2 -4-4 -6-9

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Key Concept Open your textbook to page 630. Copy the “Key Concept” box into your notes. Open your textbook to page 630. Copy the “Key Concept” box into your notes.

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Homework Text p. 632, #3-5, 12 – 32 multiples of 4, #40 Cumulative Test Chapters 1-9

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NJASK7 Preview April 27 th – April 30 th - Tuesday to Friday April 27 th – April 30 th - Tuesday to Friday Language Arts – Language Arts – Tuesday, April 28 th : 105 minutes Tuesday, April 28 th : 105 minutes Wednesday, April 29 th : 110 – 130 minutes Wednesday, April 29 th : 110 – 130 minutes Mathematics – Mathematics – Thursday, April 30 th : 50 minutes Thursday, April 30 th : 50 minutes Friday, May 1 st : 70 minutes Friday, May 1 st : 70 minutes

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NJASK7 Mathematics 3 types of questions 3 types of questions (1) Multiple Choice (1) Multiple Choice (2) Short Constructed Response (no partial credit) (2) Short Constructed Response (no partial credit) (3) Open-Ended (partial credit given) (3) Open-Ended (partial credit given) Scored 3, 2, 1, 0. Scored 3, 2, 1, 0.

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