anonymous
  • anonymous
I need these asap What are the classifications of each system? 1. x + 5y = - 2 x + 5y = 4 2. y = 3x + 4 - 2x + y = 4 3. y = - x + 3 2x + 2y = 6 4. 5x + 2y = - 4 5x - 2y = 3 A. consistent independent B. coincident C. inconsistent
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!
sloppycanada
  • sloppycanada
Well, one at a time - Inconsistent. Has no solution. Let me go through and solve each of these.
sloppycanada
  • sloppycanada
A = inconsistent.
anonymous
  • anonymous
thank you for helping me

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anonymous
  • anonymous
did you mean number one is inconsistent you put a
sloppycanada
  • sloppycanada
Sorry yeah.
anonymous
  • anonymous
k just take your time solving them im in no rush i just suck at math lol
sloppycanada
  • sloppycanada
Wait, you have four problems and only three types of problems.
anonymous
  • anonymous
you can use the abc more than once
anonymous
  • anonymous
you can use the answer choices more than once
sloppycanada
  • sloppycanada
I have never heard of that first one, consistent independent. I'm sorry, not sure i can help you out.
anonymous
  • anonymous
@FaireGaming
zzr0ck3r
  • zzr0ck3r
A means every ordered pair (x,y) is a solution B means there is one solution C means there are no solutions
zzr0ck3r
  • zzr0ck3r
Do you know how to solve systems of linear equations?
anonymous
  • anonymous
i already knew that my brain wont let me figure out which one is which and yes
anonymous
  • anonymous
@FaireGaming
zzr0ck3r
  • zzr0ck3r
that is all you need to do. What do you get when you solve the first one?
anonymous
  • anonymous
give me one sec to solve it
anonymous
  • anonymous
i take that back i dont know how to solve it im completely confused
zzr0ck3r
  • zzr0ck3r
ok lets do the first one
anonymous
  • anonymous
i really dont mean to be rude but its 1 am and i have to go to sleep soon
zzr0ck3r
  • zzr0ck3r
x+5y=-2 Solve this for x x=-2-5y Now plug this in to the second equation for x x+5y=4 becomes -2-5y+5y=4 and we get -2=4 Since this makes no sense, it is inconsistent
zzr0ck3r
  • zzr0ck3r
that is not rude....
anonymous
  • anonymous
im so confused that makes no sense
zzr0ck3r
  • zzr0ck3r
so if you get something like -2=4 it is inconsistent if you get something like 2=2 it is consistent if you get something like y=3 or x=5 then it is linearly consistent
zzr0ck3r
  • zzr0ck3r
which part?
anonymous
  • anonymous
i think i got it
zzr0ck3r
  • zzr0ck3r
try the second one
zzr0ck3r
  • zzr0ck3r
notice that the first equation for part 2 is already solved for y, so just plug it in for y in the second equation
zzr0ck3r
  • zzr0ck3r
simplify and tell me what you get
anonymous
  • anonymous
so the answer is 1a 2b 3b 4 c does that sound right thats what i got when i tried it
anonymous
  • anonymous
does that sound right?
zzr0ck3r
  • zzr0ck3r
no, and I find it very hard to believe you did all 4 systems in one minute
zzr0ck3r
  • zzr0ck3r
I teach this class and I could not...
zzr0ck3r
  • zzr0ck3r
If you take the time to do what I am showing you will spend much less time then trying to get me to give you answers. Sorry if that sounded rude :)
anonymous
  • anonymous
im really sorry its just im really tired and i have dyslexia so my head mixes up all the numbers so math is really hard for me
anonymous
  • anonymous
1 is c right did i do that right or am i still wrong i really am trying
anonymous
  • anonymous
@zzr0ck3r
zzr0ck3r
  • zzr0ck3r
correct
zzr0ck3r
  • zzr0ck3r
for the second one take the first equation that says y=-x+3 and plug that into the equation below it for y, in other words replace y in the second equation with -x+3 tell me what you have after you do that
anonymous
  • anonymous
those numbers are for the 3rd one i thought we where doing the second one
anonymous
  • anonymous
oh crap its 130 am im getting in trouble because im not asleep i gotta go this sucks i didnt finish @zzr0ck3r
zzr0ck3r
  • zzr0ck3r
do the same things for the second one
anonymous
  • anonymous
i cant i have to go to sleep my moms yelling at me
zzr0ck3r
  • zzr0ck3r
ok good night. stop by tomorrow and we can complete it
Liv1234
  • Liv1234
@ashley011802 Maybe you shouldn't wait to do your school work until 1 am, no offense.
zzr0ck3r
  • zzr0ck3r
well, it could be the case that she had been working on it all night.
zzr0ck3r
  • zzr0ck3r
I hope :)
anonymous
  • anonymous
thats the problem it was due tonight i do online school now im gonna fail it because i have to go to sleep and i was doing it al day @Liv1234 stay out of it
Liv1234
  • Liv1234
True, but still.
zzr0ck3r
  • zzr0ck3r
since you said you had to go to sleep you could have solved this 3 times
Liv1234
  • Liv1234
Please don't be rude, I was just simply stating, I'm already dealing with the death of a friend from yesterday, I do online school too and I know it can be stressful.
anonymous
  • anonymous
no i cant i metaly cant with dyslexia
zzr0ck3r
  • zzr0ck3r
I have dyslexia and I teach math at university
anonymous
  • anonymous
@zzr0ck3r your being really rude to me im not you
zzr0ck3r
  • zzr0ck3r
how is that rude?
zzr0ck3r
  • zzr0ck3r
I am saying that you have spent at least 20 minutes now saying that you dont have time to do the problem
Liv1234
  • Liv1234
The point is, is that you shouldn't wait this late to do your work. If you do Connections Academy, they don't fail you for having late work.
zzr0ck3r
  • zzr0ck3r
lets not argue over old things
zzr0ck3r
  • zzr0ck3r
math is why we are hear
zzr0ck3r
  • zzr0ck3r
I really am dyslexic also, I had to take special classes growing up for it
anonymous
  • anonymous
i dont i do a private online school and if its not turned in by the dead line they fail you and ive been doing school work all day i didnt wait
zzr0ck3r
  • zzr0ck3r
do you understand that we could be doing the math right now instead of talking about this?
anonymous
  • anonymous
hey sorry my mom said i really have to get off or shes taking my computer away
zzr0ck3r
  • zzr0ck3r
ok then

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