do now 4/12/10 copy hw in your planner. copy hw in your planner. text p. 632, #3-5, 12 – 32...
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Do Now 4/12/10Do 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 In your notebook, define the word LINEAR in your own words. Then explain LINEAR in your own words. Then explain how to graph a linear equation/function.how to graph a linear equation/function.
Chapter 10 “Quadratic Equations and Chapter 10 “Quadratic Equations and Functions”Functions”
(10.1) (10.1) Graph y = axGraph y = ax² + c² + c (10.2)(10.2) Graph y = axGraph y = ax² + bx + c² + bx + c (10.3) (10.3) Solve Quadratic Equations by GraphingSolve Quadratic Equations by Graphing (10.4) (10.4) Use Square Roots to Solve Quadratic Use Square Roots to Solve Quadratic
EquationsEquations (10.6) (10.6) Solve Quadratic Equations by the Quadratic Solve Quadratic Equations by the Quadratic
FormulaFormula
ObjectiveObjective
SWBAT graph y = axSWBAT graph y = ax² + c² + c
Section 10.1 “Graph y = axSection 10.1 “Graph y = ax² + c”² + c”
A nonlinear function that can be written in A nonlinear function that can be written in the standard form the standard form y = axy = ax² + bx + c² + bx + c where where a = 0. a = 0.
The graph of a quadratic function is in the The graph of a quadratic function is in the form of a U-shape and called a form of a U-shape and called a parabolaparabola..
Quadratic FunctionQuadratic Function
Graphing: y = ax² + cGraphing: y = ax² + c y-axisy-axis
x-axisx-axis
xx yy
y = xy = x²²
00 00
11 1122 44
33 99
-1-1 11
-2-2 44-3-3 99
Vertex-Vertex-the lowest or the lowest or highest point of highest point of the parabola the parabola
Axis of Symmetry-Axis of Symmetry-the line that divides a the line that divides a parabola into 2 symmetric partsparabola into 2 symmetric parts
““Parent Parent QuadraticQuadraticFunction”Function”
Graphing: y = ax² + cGraphing: y = ax² + c
y-axisy-axis
x-axisx-axis
xx yy
y = 3xy = 3x²²
00 00
11 33
22 1212
-1-1 33
-2-2 1212
““Parent QuadraticParent QuadraticFunction” y = xFunction” y = x²²
y = 3xy = 3x²²
How does y = 3xHow does y = 3x² ² differ from the differ from the parent function parent function y = x²?y = x²?
Graphing: y = ax² + cGraphing: y = ax² + c
y-axisy-axis
x-axisx-axis
xx yy
y = 3xy = 3x²²
00 00
11 33
22 1212
-1-1 33
-2-2 1212
““Parent QuadraticParent QuadraticFunction” y = xFunction” y = x²²
y = 3xy = 3x²²
xx yy
00 -3-3
11 00
22 99
-1-1 00
-2-2 99
y = 3xy = 3x²– 3²– 3
y = 3xy = 3x² -3 ² -3
Graphing: y = ax² + cGraphing: y = ax² + c
y-axisy-axis
x-axisx-axis
xx yy
y = -1/4xy = -1/4x²²
00 00
11 -1/4-1/4
22 -1-1
44 -4-4
66 -9-9
““Parent QuadraticParent QuadraticFunction” y = xFunction” y = x²²
y = -1/4xy = -1/4x²²
-1-1 -1/4-1/4
-2-2 -1-1
-4-4 -4-4
-6-6 -9-9
Key ConceptKey Concept
Open your textbook to page 630. Copy Open your textbook to page 630. Copy the “Key Concept” box into your notes. the “Key Concept” box into your notes.
HomeworkHomeworkText p. 632, #3-5, 12 – 32 multiples of 4, #40Text p. 632, #3-5, 12 – 32 multiples of 4, #40
Cumulative Test Cumulative Test Chapters 1-9 Chapters 1-9
NJASK7 PreviewNJASK7 Preview
April 27April 27thth – April 30 – April 30thth - Tuesday to Friday - Tuesday to Friday
Language Arts –Language Arts – Tuesday, April 28Tuesday, April 28thth: 105 minutes: 105 minutesWednesday, April 29Wednesday, April 29thth: 110 – 130 minutes: 110 – 130 minutes
Mathematics – Mathematics – Thursday, April 30Thursday, April 30thth: 50 minutes: 50 minutesFriday, May 1Friday, May 1stst: 70 minutes: 70 minutes
NJASK7 MathematicsNJASK7 Mathematics
3 types of questions3 types of questions
(1) Multiple Choice(1) Multiple Choice
(2) Short Constructed Response (no partial (2) Short Constructed Response (no partial credit)credit)
(3) Open-Ended (partial credit given)(3) Open-Ended (partial credit given)Scored 3, 2, 1, 0.Scored 3, 2, 1, 0.