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Mathematics 18 Online
OpenStudy (anonymous):

Help with Algebra!!! Tell whether the ordered pair is a solution of the given inequality. Show your work step-by-step. 1. (1,6);y

OpenStudy (anonymous):

Plug the x and y values in and simplify

OpenStudy (anonymous):

So #1 would be y<7? And #2 would be y ≥-6+17? And #3 would be y≤7?

OpenStudy (anonymous):

I'll do the first one. \[y <x +6\] Since we are told that x = 1 and y = 6 plug those back into the equation. \[6 < 1 + 6\] Now simplify. 6 < 7 Since 6 is less than 7 , #1 is true

OpenStudy (anonymous):

Do you understand what I did?

OpenStudy (anonymous):

Yes I did

OpenStudy (anonymous):

I get it now...

OpenStudy (anonymous):

Thanks!

OpenStudy (anonymous):

So #2 would be -12≥-6+17 which is invalid so it's not a solution to the equation right?

OpenStudy (anonymous):

Where did you get 17 from?

OpenStudy (anonymous):

Hold on.. I'm trying to re-solve it...

OpenStudy (anonymous):

Never mind it's -12≥-6-5 right?

OpenStudy (anonymous):

It's -12≥-11 which is a solution

OpenStudy (anonymous):

Well, there negative. -12 is less than -11 - so false

OpenStudy (anonymous):

Oh ya... so #3 would be true then right?

OpenStudy (anonymous):

\[-3 \le -3\] -3 is less than or equal to -3. So yes, true

OpenStudy (anonymous):

Thanks!

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