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Mathematics 18 Online
OpenStudy (anonymous):

dont understand help for medal

OpenStudy (anonymous):

OpenStudy (anonymous):

\(y=-x^2\) has vertex at \((0,0)\) and opens down, looks like this http://www.wolframalpha.com/input/?i=y%3D-x%5E2

OpenStudy (anonymous):

yours is multiplied by 2 and raised up 3 units, looks like this http://www.wolframalpha.com/input/?i=y%3D-2x%5E2%2B3

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