I need a brief lesson from someone to help me find the minimum and maximum of an equation that look like number seven on this worksheet. http://www.kutasoftware.com/FreeWorksheets/Alg2Worksheets/Properties%20of%20Parabolas.pdf

Question

mathmale · Answer

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mathmale · Answer

You're working with quadratic functions, specifically, with parabolas.  If the graph of your parabola opens DOWN, you have a maximum at the vertex of the parabola.  If the graph opens UP, you have a MINIMUM at the vertex.

mathmale · Answer

In #7, you are given the formula for a parabola.  What value would f(x) = y have if x were zero (0)?

nerdy_3000 · Answer

Would it be zero?