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OpenStudy (markchernioglo):
Okay, good I had the second one right! :)
OpenStudy (markchernioglo):
Thank you very much jack! :)
OpenStudy (jackthegreatest):
np
OpenStudy (markchernioglo):
wait it says its wrong. :(
OpenStudy (markchernioglo):
lol mathmale would you be able to help?
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OpenStudy (mathmale):
My approach is MUCH different. I'll as you, Mark, to do whatever you can and then ask clarifying questions. We should not be doing anyone's homework for him/her.
OpenStudy (markchernioglo):
Yea, I agree with you brotha
OpenStudy (mathmale):
When does f(x)=ax^2 have minimum values?
OpenStudy (mathmale):
A more basic question: When does y=x^2 have minimum value or values?
OpenStudy (markchernioglo):
well, it has minimum values when it is going up
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OpenStudy (markchernioglo):
right?
OpenStudy (mathmale):
No. A minimum value is a y-value. In the case of x^2, there is only one x value at which the function has its smallest valule. What is that x value and what is the minimum (y-) value? Draw the function y=x^2, please.
OpenStudy (markchernioglo):
its a parabola right?
OpenStudy (mathmale):
Yes, indeed. Knowing that, can you answer my 2 questions?
OpenStudy (markchernioglo):
shas let me try
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OpenStudy (markchernioglo):
i mean wait... ooops using russian lol
OpenStudy (mathmale):
y=x^2 is one of the most common of functions, and so it's worth learning by heart.
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