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Mathematics 16 Online
OpenStudy (anonymous):

-3x greater than sign to the left24

OpenStudy (anonymous):

\[-3x >24\]

OpenStudy (anonymous):

What are you trying to do? Are you trying to solve the inequality?

OpenStudy (anonymous):

yeah then I have to graph it

OpenStudy (anonymous):

would\[x <8 or x >8\] it be

OpenStudy (anonymous):

Neither. But you are close! Remember, you are dividing both sides by a negative number. What do you think it is now?

OpenStudy (anonymous):

oh -8

OpenStudy (anonymous):

Yep! And do you think it should be > or < ?

OpenStudy (anonymous):

When you divide do you change the direction of the sign? if so \[x=<-8\]

OpenStudy (anonymous):

And should the dot on the line be solid or hallow

OpenStudy (anonymous):

That's right. But you switch the sign because you divided by a negative number. If you were dividing by positive 3, you wouldn't need to switch it.

OpenStudy (anonymous):

Wb the dot on the line?

OpenStudy (anonymous):

The dot on the line is hollow because -8 is not part of the solution. If the equation was x (less than or equal to) -8, then it would be solid. Do you understand?

OpenStudy (anonymous):

I do thank you!

OpenStudy (anonymous):

No problem! :)

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