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Quadratic Equation : Vertex and Intercepts

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Can you please help me finding the vertex and intercepts for this equation, and whether it opens up or down?

y + -3x squared + 6x.

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Solution Summary

Vertex and intercepts are found and discussed. The solution is detailed and well presented.

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I suppose the question is:

y= -3x^2 + 6x

In that case we have to factor -3 and complete the square:

-3x^2 + 6x= -3( x^2 - 2x)= -3(x^2 - 2x + 1 -1 )= ...

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