anonymous
  • anonymous
using this link can i find the answer : The graph of this quadratic function is a parabola. What is the equation of the axis of symmetry? y=x^2-3 http://www.wolframalpha.com/input/?i=y%3Dx^2-3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
axis of symmetry is x = -b/a where y = ax^2 + bx + c
anonymous
  • anonymous
so yes or no
anonymous
  • anonymous
?

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anonymous
  • anonymous
press the link
anonymous
  • anonymous
does it answer the question
anonymous
  • anonymous
no
anonymous
  • anonymous
so how would i figure it out
DebbieG
  • DebbieG
Another way to think of it is this: \[\Large x=x_{vertex}\] Where the \(x_{v}\) means the x-coordinate of the vertex.
DebbieG
  • DebbieG
Yes, you CAN get it from that link, if you know what to look for.
anonymous
  • anonymous
did you see what i wrote? what's a? what's b?
anonymous
  • anonymous
@ deebue were us it
anonymous
  • anonymous
@DebbieG were is it
DebbieG
  • DebbieG
Remember that the vertex is always where the max or min occurs. But @pgpilot326 's explanation is the algebraic way to do it.
DebbieG
  • DebbieG
Read everything we've both written. Do you understand what we've told you about the axis of symmetry? What the equation is? REmember, the axis of symmetry is just a vertical line, through the x-coordinate of the vertex.
anonymous
  • anonymous
i no but i just need the anwser u said i can find it usin the linik so were would i look
anonymous
  • anonymous
@DebbieG
anonymous
  • anonymous
he said he's looking for the axis of symemetry, not necessarily where the vertex is. while it's true that the vertex lies on the axis of symmetry, it doesn't give it directly
anonymous
  • anonymous
you still have to write the equation of the line
DebbieG
  • DebbieG
You would look wherever you can find the x-coordinate of the vertex.
anonymous
  • anonymous
so press plot?
DebbieG
  • DebbieG
I think he said "using this link can i find the answer". So I would have to disagree @pgpilot326 . The link has everything needed to find the answer. :)
DebbieG
  • DebbieG
To repeat: REmember, the axis of symmetry is just a vertical line, through the x-coordinate of the vertex. Remember that the vertex is always where the max or min occurs.
anonymous
  • anonymous
yes i am beacuse i dont need this in my life so im not gona sit here and take time to this i just need to do this to graduate
anonymous
  • anonymous
im home scholled
DebbieG
  • DebbieG
Well, OpenStudy is not here as a Homework Answer Factory, so if you just want answers, I'll with you well and say have a good day. The idea here is to learn how to do the problem.
anonymous
  • anonymous
@DebbieG so should i press plot
anonymous
  • anonymous
@DebbieG ?

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