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Mathematics 8 Online
OpenStudy (anonymous):

help with finding quadratic function y=ax^2 +c with a graph that includes (0,1/3) and (-3, 82/3). Thanks

OpenStudy (mertsj):

Write two equations: For the first one, replace x with 0 and y with 1/3 For the second one, replace x with -3 and y with 82/3 You will then have two equations whose variables are a and c. Solve the system.

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