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## Chapter 9

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**“a” makes the graph open _____ or _____.**“a” determines if the parabola is ________ or _______. A positive “b” makes the graph move _________________. http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A positive “c” moves the graph ____.**A negative “c” moves the graph _______. http://www.classzone.com/vpg_ebooks/ml_algebra_1_2004/resources/assets/9_3_GraphQuadFunc.html http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**Quadratic function**Standard form Parabola Vertex Axis of symmetry http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry:**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: A= Parabola opens: B= C= -b/2a= Axis of symmetry:**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A= -0.006**Parabola opens: down B= 1.2 C=10 -b/2a= -1.2/2(-0.006)=100 Axis of symmetry:100 http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html**A=**Parabola opens: B= C= -b/2a= Axis of symmetry: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html