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Mathematics 13 Online
OpenStudy (anonymous):

please help

OpenStudy (anonymous):

OpenStudy (anonymous):

will medal

OpenStudy (welshfella):

Hints on how to do this:- this is a quadratic function in vertex form y = a(x - b)^2 + c where a, b and c are constants the axis of symmetry is x = b

OpenStudy (welshfella):

- so what value replaces b for your quadratic?

OpenStudy (anonymous):

3/2

OpenStudy (welshfella):

right now lets use the other information in the question:- the y intercept is 9 - that means that when x = 0 the value of f(x) ( or y) = 9

OpenStudy (anonymous):

okay and what about c?

OpenStudy (welshfella):

so 9 = a(0 - 3/2)^2 + c

OpenStudy (anonymous):

so now put this in standard form??

OpenStudy (welshfella):

yes

OpenStudy (welshfella):

sorry gotta go right now

OpenStudy (anonymous):

not sure how to do that though..

OpenStudy (anonymous):

like 0^2-9/4+c?

OpenStudy (anonymous):

could you give me the final equation please?

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