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Mathematics 9 Online
OpenStudy (anonymous):

How many possible solutions does y = -x + 2 x + y = 5 have? 1. Infinitely many 2. 1 3. 2 4. none

OpenStudy (godlovesme):

have u tried graphing it?

OpenStudy (anonymous):

^

OpenStudy (anonymous):

http://www.desmos.com/calculator

OpenStudy (godlovesme):

https://web.geogebra.org/app/

OpenStudy (anonymous):

Graph it and see where the lines touch.

OpenStudy (anonymous):

okay thanks

OpenStudy (godlovesme):

welcome :) lemme know what u get

OpenStudy (anonymous):

No problem! :)

OpenStudy (anonymous):

1.5, 3.5 was the solution so my final answer would be #2, correct?

OpenStudy (godlovesme):

i got parallel lines :O @alicat28

OpenStudy (anonymous):

hm... okay I must have done something wrong... I will go try again

OpenStudy (godlovesme):

@AnswerMyQuestions can u check please

OpenStudy (anonymous):

Yeah, they're parallel.

OpenStudy (anonymous):

yeah they are this time... that was weird... THANK YOU BOTH SO MUCH

OpenStudy (godlovesme):

parallel lines never intersect

OpenStudy (anonymous):

Yeah, I know... Before they were intersecting... I must have put something in wrong the first time.

OpenStudy (godlovesme):

yw :)

OpenStudy (anonymous):

I just got 100% so thanks so much :)

OpenStudy (anonymous):

No problem! :)

OpenStudy (godlovesme):

\(\Huge \color{gold}{\star^{ \star^{\star:)}}}\Huge \color{green}{\star^{ \star^{\star:)}}}\) \(\huge\color{violet}{SMILE~:)}\)

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