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Mathematics 8 Online
OpenStudy (anonymous):

Graph the function. Identify the vertex and axis of symmetry. f(x)=-2x^2 +2x -1

OpenStudy (alekos):

convert to vertex form by completing the square

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

Sorry forgot to leave the graphs

OpenStudy (alekos):

Or you could use Desmos and compare

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