anonymous
  • anonymous
An equation is shown below: 9x - y = -2 Part A: Explain how you will show all of the solutions that satisfy this equation. (4 points) Part B: Determine three different solutions for this equation. (4 points) Part C: Write an equation that can be paired with the given equation in order to form a system of equations that is inconsistent. (2 points)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@dan815
dan815
  • dan815
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anonymous
  • anonymous
The slope is 9 and the y-intercept is 2.

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anonymous
  • anonymous
Well, the domain and range for this equation are both -infinity to infinity. Which means there's an infinite number of solutions.
anonymous
  • anonymous
So that would be Part A?
anonymous
  • anonymous
I suppose so. I mean, there's no way for you to give all of the infinite answers. I suppose you could prove why the domain and range are infinite, but i can't think of anything else.
anonymous
  • anonymous
As for part B, just select three numbers for the x and plug them in and get the y that correlates. Generally you just do -1, 0, and 1 as the numbers for x.
anonymous
  • anonymous
What about y?
anonymous
  • anonymous
I'm not sure what they want for Part C, do you have any clue?
anonymous
  • anonymous
And put -1, 0, and 1 in for the x of \[y=9x+2\]
anonymous
  • anonymous
Oh ok thanks! & for part C they want you to write a similar equation to form a systemof equations that is inconsistent.
anonymous
  • anonymous
What do they mean by inconsistent? It's been so long since I've dealt with some of these terms.
anonymous
  • anonymous
Ohh, just looked it up on purple math. So basically they want a parallel line right?
anonymous
  • anonymous
They just want something that isnt staying the same.
anonymous
  • anonymous
"Inconsistent system: no solution and no intersection point"
anonymous
  • anonymous
Thus a parallel line?
anonymous
  • anonymous
Well anyways. To get a parallel line, just keep the slope the same and change the y-intercept. \[y=9x+b\] with b being anything but 2
anonymous
  • anonymous
So for example just write y= 9x+3 ?
anonymous
  • anonymous
Yeah, that would work.
anonymous
  • anonymous
And you might wanna ask to confirm what they're looking for for Part A.
anonymous
  • anonymous
Alright thanks for everything!! Do you thing you could help me with one more question?
anonymous
  • anonymous
No problem. I'd love to help, but I have some other stuff i gotta do =(

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