How many solutions are there to the following system of equations?
5x + 3y = 7
2x – y = 2

- anonymous

How many solutions are there to the following system of equations?
5x + 3y = 7
2x – y = 2

- schrodinger

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- 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

combine the like turms

- anonymous

okay I already did that... read what I did before

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## More answers

- anonymous

LOL, No. You don't solve them.
Plot them on a graph.

- anonymous

what u ahev to plot them?

- anonymous

yuppers both are correct once you combine like terms that is as far as you go

- 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

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

can I give two pple medals?

- anonymous

A there r no solutions!

- anonymous

no just one :(

- 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

I gave u the answer there are no solutions!!!!!!!!!!

- 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

this is true you got an infinite number which usually means that there is no true answer!

- anonymous

alright
imma graph it

- anonymous

yes that will give you an ACCURATE answer

- anonymous

http://answers.yahoo.com/question/index?qid=20100115131935AAGxXYR
this is not it

- anonymous

ok its indefanitly many!

- anonymous

There is only 1 solution.
Meaning the two lines only intercept once.

- anonymous

but when u graph they can only intercept one or non times!

- anonymous

yes they intercept once.

- anonymous

False, they can intercept infinite, zero, or one time.

- anonymous

Infinite = Same Line
Zero = Parallel Lines
One = Criss Cross Lines.

- anonymous

Stee, I am giving you a picture of the graph to help you. :)

- anonymous

Here you go!

##### 1 Attachment

- anonymous

ahhh I see thanks!!!

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