anonymous
  • anonymous
What are the solutions of the system? Solve by graphing. y = x^2 -2x-1 y = -2 I have the graphs i just can't post them here.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
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anonymous
  • anonymous
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anonymous
  • anonymous
I think it is D. I'm not certain yet
UsukiDoll
  • UsukiDoll
@Ashtaroth did you graph y = -2 and y=x^2-2x-1 on paper or a microsoft paint program?
anonymous
  • anonymous
No, sorry i was getting breakfast
UsukiDoll
  • UsukiDoll
hmm... well y = -2 is a horizontal line and we can agree at that right? ^^
anonymous
  • anonymous
Yeah.
UsukiDoll
  • UsukiDoll
so all we need to so is to graph y = x^2-2x-1
anonymous
  • anonymous
The first one is A the second one is C and the last one is D. I've already picked B and it was wrong so i didn't bother publishing it.
UsukiDoll
  • UsukiDoll
well that means we need to pick points. let x = 0,1,2, lalalalal but it's getting late so I'll just use desmos
anonymous
  • anonymous
Okay
UsukiDoll
  • UsukiDoll
anonymous
  • anonymous
I think It's D.
UsukiDoll
  • UsukiDoll
I think the picture choices for c and d are the same : O
anonymous
  • anonymous
Alright let me check
anonymous
  • anonymous
They are give me a sec
anonymous
  • anonymous
websites not loading -_-
UsukiDoll
  • UsukiDoll
must be maintenance :/
anonymous
  • anonymous
Back
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anonymous
  • anonymous
@UsukiDoll
UsukiDoll
  • UsukiDoll
k that's better.. it's really not the new c.
anonymous
  • anonymous
Alright, it isn't A is it? Looks a bit off.
UsukiDoll
  • UsukiDoll
not that one either.
anonymous
  • anonymous
So It's D. I got B wrong when i picked it.
UsukiDoll
  • UsukiDoll
it's best to graph these equations on a piece of paper or some computer software before choosing... guessing isn't a good method.
anonymous
  • anonymous
Thing is i'm not good at it.
UsukiDoll
  • UsukiDoll
you have to understand the material and practice a lot. I used to fail miserably at Math and intentionally failed the COMPASS portion many years back, but with a few good mentors who can explain the topics well enough and with practice you'll be able to do any math problem :).
anonymous
  • anonymous
Thanks.

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