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Mathematics 11 Online
OpenStudy (anonymous):

I need help with parabolas, vertexes, and finding the domain/range of such functions. Current question working on is: f(x)=5x^2-4x+1. I don't really understand this section though!

OpenStudy (anonymous):

u want to complete the square or use the quadratic?

OpenStudy (anonymous):

lets just use the vertex formula \[-\frac{ b }{ 2a }\]

OpenStudy (anonymous):

\[5x ^{2}-4x+1\] A= 5 B = -4 right?

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