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OpenStudy (anonymous):
To graph y=x^2-1 do I need to use -b/2a and if it doesn't give me x values do I just use -2, -1, 0, 1, 2 ?
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OpenStudy (anonymous):
You could do -b/2a and then plug that in to find the y value of the vertex, like you said. And then plug in values, that would be the best option.
OpenStudy (anonymous):
Ok, I will try that. Thank you!
OpenStudy (anonymous):
So I would get 0.5 as my X in the vertex?
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