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Solving Quadratic Equations An explanation by Molly Murphy

Forms of Quadratics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Role of “a” in quadratics ,[object Object],[object Object],[object Object],[object Object]

Standard Form (finding vertex) ,[object Object],[object Object]

Standard Form (max. and min.) ,[object Object],[object Object]

Standard Form (role of c) ,[object Object]

Graphing in Standard form ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],7 1 -1 1 7 Y 1 0 -1 -2 -3 X

Continued ,[object Object],[object Object],(-3 , 7) (1, 7) (0 , 1) (-2 , 1) (-1 , -1)

Vertex Form (finding vertex) ,[object Object],[object Object],The vertex is (0 , 1) So h=0 and k=1

Graphing in Vertex Form ,[object Object],[object Object],[object Object],7 1 -1 1 7 Y 1 0 -1 -2 -3 X

Continued ,[object Object],[object Object],(-3 , 7) (1 , 7) (-2 , 1) (0 , 1) (-1 , -1)

Intercept Form (finding vertex) ,[object Object],[object Object]

Graphing in Intercept Form ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Continued ,[object Object],(0 , -1) (0 , -3) (-2 , -2)

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