Britney asks Josh to explain to her how to find the vertex of a parabola. He explains it to her, then she asks after the work does she need to plot it, and he says yes, and then she gets it.
Can you help me find the vertex of a parabola for this function?
Sure, you want me to tell you the definition of it?
Yea, and then I will know how to plot it.
You must find the axis of symmetry, then substitute for x to find the y coordinate of the vertex, get it?
Yea, that makes more sense than how the teacher explained it. Now I just need to plot the vertex on a graph, right?
Yea, good job!
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