This is actually a pre-calculus question, but I need help finding the additional point to this parabola question:  Determine the​ vertex, focus, and directrix of the parabola and sketch its graph (y+7)2=8(x-1) Vertex: (1,-7) Focus: (3,-7) P = 2 Directrix = x = -1 Now, the problem wants me to graph the parabola, which is fine, but I do not know how to find an additional point on the graph. This is where I need help. Will you please help me find an additional point on the graph that I can actually plot and show the steps on how you did it?

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A: When constructing the standard equation of a parabola, how do you know when the p value is negative?

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Maximization

Have you ever seen a bridge in the shape of a parabola? Where is its maximum on the bridge? The maximum of that bridge is the highest point on that bridge. The process of finding the maximum of the bridge here is called the maximization.