cutiecomittee123
  • cutiecomittee123
Getting so tired of these but I need the practice and this is the last one so please help! 2x^2+y^2=33 x^2+y^2+2y=19
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
perl
  • perl
Multiply the second equation by 2, then subtract the two equations. That will eliminate the x's
cutiecomittee123
  • cutiecomittee123
Oh lol yeah solve the system of equations and then tell what the coordinates are of the solution that lies in quadrant 3
cutiecomittee123
  • cutiecomittee123
wouldn't you multiply the second equation by -2?

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cutiecomittee123
  • cutiecomittee123
@perl
freckles
  • freckles
I thought we did this one together
cutiecomittee123
  • cutiecomittee123
No they arent the same
freckles
  • freckles
they are exactly the same
cutiecomittee123
  • cutiecomittee123
But I have another thing to ask and I dont feel like opening another question so can someone help? What conic section does this equation represent? 9x^2+4y^2+18x=16
freckles
  • freckles
how is this system 2x^2+y^2=33 x^2+y^2+2y=19 different from this system 2x^2+y^2=33 x^2+y^2+2y=19?
cutiecomittee123
  • cutiecomittee123
Maybe they are the same but I really need the practice and the question was different
freckles
  • freckles
no it wasn't
freckles
  • freckles
but I'm done arguing
perl
  • perl
You can multiply the second equation by -2

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