agenda€¦ · quadratic equation. y = ax2 + bx + c lets compare what we know about lines to what...
TRANSCRIPT
Quadratics (Dec. 2-6, 2013)
1
Quadratics-Lesson 4
AGENDAObjective:Identifytheshapeandgraphofaquadraticfunction.
De?ineandidentifyquadraticfunctions.
1)IntrotoParabolas:‐3ShortVideos‐Notes
2)ComparingLinearandQuadraticEquations3)IdentifyingPartsofaParabola4)GraphingQuadraticsUsingTables
(usecalculator)Homework: Graphing and Identifying Parts of a Parabola
Quadratics (Dec. 2-6, 2013)
2
Quadratics-Lesson 4
Sketchapictureofthepaththebasketballtakes.
SketchapictureofthepaththeAngryBirdtakes.
ThisshapeiscalledaParabola.Parabolascanvisuallyrepresent
projectiles(basketballs,AngryBirds,rockets),fallingobjects,
pro3it,etc...
ThegraphcanberepresentedalgebraicallybyaQuadraticEquation.
y=ax2+bx+c
Letscomparewhatweknowaboutlinestowhatwewillcoveronparabolas.
act1-1.mov act3-1.mov angry birds video 1
Objective:Identifytheshapeandgraphofaquadraticfunction.De?ineandidentifyquadraticfunctions.
Quadratics (Dec. 2-6, 2013)
3
Quadratics-Lesson 4
Describe a Linear Function: Describe a Quadratic Function:
IntrotoQuadraticFunctions
Shape: Shape:
Equation: Equation:
LargestExponent: LargestExponent:
Quadratics (Dec. 2-6, 2013)
4
Quadratics-Lesson 4
Opensup:
OpensDown:
Vertex:
AxisofSymmetry(AOS):
y‐intercept:
x‐intercept:
y=ax2+bx+c
Quadratics (Dec. 2-6, 2013)
5
Quadratics-Lesson 4
IntrotoQuadraticFunctionsGraphtheequationsbelow
Usethegivenx‐valuestosolveforeachy‐value.Thenplotthepointsonthegraphs.
x y
2
3
4
5
6
x y
-6
-5
-4
-3
-2
x y
-2
-1
0
1
2
x y
2
3
4
5
6
x y
-2
-1
0
1
2
Homework: Graphing and Identifying Parts of a Parabola
Quadratics (Dec. 2-6, 2013)
6
Quadratics-Lesson 4
Homework: Graphing and Identifying Parts of a Parabola
Quadratics (Dec. 2-6, 2013)
7
Quadratics-Lesson 4