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Mathematics 8 Online
OpenStudy (anonymous):

2. Where is the vertex of the graph of y = -x^2 + 2x + 5 located? -1, 5) (-1, 6) (1, 3) (1, 2)

OpenStudy (anonymous):

I'm not understanding the question. Could you be a little more clear?

OpenStudy (anonymous):

idk that's all the question has :/

OpenStudy (anonymous):

What are the four ordered pairs below the equation?

OpenStudy (anonymous):

the choices

OpenStudy (anonymous):

Oh. I think I see. It wants to know which vertex is in the graph. Do you know how to test if a vertex belongs to an equation?

OpenStudy (anonymous):

sadly no

OpenStudy (anonymous):

Those ordered pairs are of the form (x, y). If you plug in the x value into the equation, you should expect to get the y value out if it belongs. Like for the first one:|dw:1334970025942:dw|

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