Ms-Brains
  • Ms-Brains
5 questions! Please check my work!? I will medal. ^-^ (See attached files)
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!
YoungStudier
  • YoungStudier
Uhm, so what do you need help with? ^u^
Ms-Brains
  • Ms-Brains
♪Chibiterasu
  • ♪Chibiterasu
The 1 is positive so you have to subtract on both sides.

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♪Chibiterasu
  • ♪Chibiterasu
So what do you think the actual answer would be?
YoungStudier
  • YoungStudier
@Ms-Brains , what they mean is that you have to subtract 1 from each side of the equation. :P
Ms-Brains
  • Ms-Brains
So it would be B then? or it could be C ..?
Ms-Brains
  • Ms-Brains
@YoungStudier
YoungStudier
  • YoungStudier
Uhm, no, not quite cx So let's just look at the equation at the start: 3x + 1 = 2y What do you think is the first step to solving the equation? :)
Ms-Brains
  • Ms-Brains
Subtract 1 from both sides. Sorry I was called away. @YoungStudier
YoungStudier
  • YoungStudier
Yes so now it would be: 3x = 2y - 1 What should we do next to get -1 alone on one side?
Ms-Brains
  • Ms-Brains
Divide both sides by three?
YoungStudier
  • YoungStudier
Uhm, no, not quite. We want to get -1 alone on one side So what could we do to transfer 2y over to the 3x side?
Ms-Brains
  • Ms-Brains
Add 1 to both sides? o.O idk..
YoungStudier
  • YoungStudier
Uhm, no. :P We wanna subtract each side by 2y in order to get -1 alone.
Ms-Brains
  • Ms-Brains
Oh. xc
YoungStudier
  • YoungStudier
It's alright c: You're getting it. So now the equation would be: 3x - 2y = 2y - 2y - 1
YoungStudier
  • YoungStudier
And so that will get rid of 2y on the -1 side So now the equation is: 3x - 2y = -1 Does that make sense on how we got that? c:
Ms-Brains
  • Ms-Brains
Yeah, I understand now. Thanks! I got like 3 more, if you could help?
YoungStudier
  • YoungStudier
I can try. c:
Ms-Brains
  • Ms-Brains
Do you know how to solve these kind of problems?
YoungStudier
  • YoungStudier
Yup ^.^ I literally just learned about this cx So what do you think the answer is?
Ms-Brains
  • Ms-Brains
I think it's B..
Ms-Brains
  • Ms-Brains
But, I never worked on these kind of problems
YoungStudier
  • YoungStudier
Uhmmm, you're on the right track. These are relatively simple.
YoungStudier
  • YoungStudier
The line intercepts (goes through) an exact point on the coordinate plane, or graph, whichever you prefer :P
Ms-Brains
  • Ms-Brains
Oh, so it would be C. Because the line goes through the -1?
YoungStudier
  • YoungStudier
Uhm, yeah it does..... O.o Another wonky question.
Ms-Brains
  • Ms-Brains
I've narrowed it down to either A or C. What do you think it is?
YoungStudier
  • YoungStudier
Uhm, if I remember correctly, the line has to go through the bold black lines with all the numbers labeled on them. And those would we the x and y axis intercepts. So I DON'T think it would be A or C.
Ms-Brains
  • Ms-Brains
So it would be D then. But I don't understand how it would be that. ;-;
YoungStudier
  • YoungStudier
Yes, D would be correct. Uhm, I'll PM you a math cast link from my lesson. It's a little different from what you're doing, but it gets the same conclusion in the end and may help you understand this better c:
Ms-Brains
  • Ms-Brains
Okay. Thanks. cx
YoungStudier
  • YoungStudier
No problem c:
YoungStudier
  • YoungStudier
Is there anything else you need help with?
Ms-Brains
  • Ms-Brains
Yeah c: I think it's C.
YoungStudier
  • YoungStudier
Uhm, I'm not sure how to explain this one, but try watching the Math Cast as it has a problem similar to this one. ^-^
Ms-Brains
  • Ms-Brains
Okay!. Last one
YoungStudier
  • YoungStudier
I gotta refresh my memory on how to do this, the math cast explains it xD One sec.
YoungStudier
  • YoungStudier
Ooooh okay, so to find the x intercept we need to turn the y into a 0
YoungStudier
  • YoungStudier
So we started with 6x - 4y = -12 Now we have: 6x - 4 * 0 = -12
Ms-Brains
  • Ms-Brains
So we need to simplify to find out what x is..?
YoungStudier
  • YoungStudier
Yup ^.^ Following the Order of Operations, we would do the multiplication first with 4 * 0
Ms-Brains
  • Ms-Brains
x -2 I already solved it
YoungStudier
  • YoungStudier
LOL XD
YoungStudier
  • YoungStudier
Yup, so now we have x
Ms-Brains
  • Ms-Brains
Haha, okay now what? :P
YoungStudier
  • YoungStudier
Now we need to use the starting equation again. And this time turn x into 0 so that it is 6*0 - 4y = -12
YoungStudier
  • YoungStudier
So that we can find the value of y ^.^
Ms-Brains
  • Ms-Brains
Gimme a sec to solve it
Ms-Brains
  • Ms-Brains
y=3
YoungStudier
  • YoungStudier
Yup! ^.^
Ms-Brains
  • Ms-Brains
So it's A?
YoungStudier
  • YoungStudier
Yuppers! :D
Ms-Brains
  • Ms-Brains
Awesome! Thanks so much. :3
YoungStudier
  • YoungStudier
No problem! :3

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