anonymous
  • anonymous
9n-10>-82 and -1-2n> (or equal to)-5 solve and graph the solution
Algebra
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
eSpeX
  • eSpeX
Okay, and your attempt at this problem?
anonymous
  • anonymous
Let's just say I need a ton of help
eSpeX
  • eSpeX
Since these only have one variable, are we solving each individually and then graphing each of them?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
Correct and I have no clue how to do so
eSpeX
  • eSpeX
Take the first one, 9n-10>-82, treat this as you would any other algebraic problem. How would you isolate n?
anonymous
  • anonymous
Add 82 to both sides
eSpeX
  • eSpeX
Not the way I would start but okay, so you have 9n+72>0, now what? And remember you want 'n' all alone.
anonymous
  • anonymous
Aw so it'll take longer if I add 82 so let's try adding 10 to both sides
eSpeX
  • eSpeX
Okay, so you now have 9n>-72, what's next?
anonymous
  • anonymous
I would divide by 9
eSpeX
  • eSpeX
So n> than ?
anonymous
  • anonymous
7
eSpeX
  • eSpeX
In the last problem you proved that 9*7 was 63.
anonymous
  • anonymous
I meant 8
eSpeX
  • eSpeX
Okay, and you have a -72
anonymous
  • anonymous
So what's next
eSpeX
  • eSpeX
Well first you need to recognize that if 9*8=72, then 9*(-8)=-72 and so your answer is n>(-8)
anonymous
  • anonymous
That's it
eSpeX
  • eSpeX
What this tells you is that the statement, 9n-10>-82, is true for all values of n>(-8)
eSpeX
  • eSpeX
So when you graph this you will start with a circle around -8, because it is values > and not >=, and that your line will extend to all values that are greater than -8.
anonymous
  • anonymous
Alright thanks man you've been a great help
anonymous
  • anonymous
One more question is it an open or a closed circle
eSpeX
  • eSpeX
You're welcome. Though you now need to do the same process for your -1-2n>= -5
eSpeX
  • eSpeX
What does the closed circle represent?
anonymous
  • anonymous
The answer is included on the graph
eSpeX
  • eSpeX
I guess I should have asked if you were doing shading as well.
eSpeX
  • eSpeX
So to include something, we would have to had that as an answer in the inequality. We showed that n > -8, and so it is no included in the answer.
eSpeX
  • eSpeX
Some textbooks have a solid dot indicate inclusion, some have a full circle indicate above and below but not the exact value, and some have a half circle show that it is only from one side.
anonymous
  • anonymous
So for the -8 it's a closed circle correct
eSpeX
  • eSpeX
I would draw it like this, because we are only interested in values greater:|dw:1371521127032:dw|
eSpeX
  • eSpeX
But look at the examples your book gives and adjust your answer to match the lesson they have.
anonymous
  • anonymous
Alright will do
eSpeX
  • eSpeX
Good luck.

Looking for something else?

Not the answer you are looking for? Search for more explanations.