Linear and Quadratic Functions: Graphing Zeros and Min ⁄ Max Values

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Think & Click: Graphing Quadratic Equations Using Zeros and the Vertex

Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on it to reveal the solution.

Graph f(x) = x2 – 25 using zeros and the vertex.
 
graph of f of x is equal to x squared minus 25