anonymous
  • anonymous
How many solutions are there to the following system of equations? 5x + 3y = 7 2x – y = 2
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
in the end, I solved for y and then y = 2x-2, then I plugged it in the other one and x turns out to be equal to 0.18181818818818188 AND I'M LIKE WHATTTT
anonymous
  • anonymous
combine the like turms
anonymous
  • anonymous
okay I already did that... read what I did before

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anonymous
  • anonymous
LOL, No. You don't solve them. Plot them on a graph.
anonymous
  • anonymous
what u ahev to plot them?
anonymous
  • anonymous
yuppers both are correct once you combine like terms that is as far as you go
anonymous
  • anonymous
1, Discriminant = 49 - (4*5*3) = -11 2, nemaproblema: x² - 7/5x = -3/5 (x - 7/10)² - 0.49 = -0.6 (x - 7/10)² = -0.11 Both indicates there is no solution.
anonymous
  • anonymous
cause the main question is How many solutions are there to the following system of equations? a. 0 b. 1 c. 2 d. infinately many
anonymous
  • anonymous
can I give two pple medals?
anonymous
  • anonymous
A there r no solutions!
anonymous
  • anonymous
no just one :(
anonymous
  • anonymous
Put the system into slope intercept form. and plot it on the graph. You can see how many solutions there are from how many times they intercept.
anonymous
  • anonymous
I gave u the answer there are no solutions!!!!!!!!!!
anonymous
  • anonymous
brianna I know where you got that answer but it's not. I looked it up too but they don't have the same question.
anonymous
  • anonymous
this is true you got an infinite number which usually means that there is no true answer!
anonymous
  • anonymous
alright imma graph it
anonymous
  • anonymous
yes that will give you an ACCURATE answer
anonymous
  • anonymous
http://answers.yahoo.com/question/index?qid=20100115131935AAGxXYR this is not it
anonymous
  • anonymous
ok its indefanitly many!
anonymous
  • anonymous
There is only 1 solution. Meaning the two lines only intercept once.
anonymous
  • anonymous
but when u graph they can only intercept one or non times!
anonymous
  • anonymous
yes they intercept once.
anonymous
  • anonymous
False, they can intercept infinite, zero, or one time.
anonymous
  • anonymous
Infinite = Same Line Zero = Parallel Lines One = Criss Cross Lines.
anonymous
  • anonymous
Stee, I am giving you a picture of the graph to help you. :)
anonymous
  • anonymous
Here you go!
1 Attachment
anonymous
  • anonymous
ahhh I see thanks!!!

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