Question

given:3x<-9. choose the the solution set.


A.{x | x < 3}

B.{x | x > -1/3}

C.{x | x < -3}

D.{x | x > -3}

Answer 1

What happens when you divide both sides by 3?

Answer 2

D. But yea when you divide both sides by three you get your answer pretty quick. Just remember what side and what number to divide.

Answer 3

Okay, thank you!

Answer 4

option C

Answer 5

@tennisdude210 you only change the sign when you divide by a negative number.

Answer 6

so, which is it?

Answer 7

OS is designed to help you come up with the answer. So when you isolate the x by dividing both sides by 3, what inequality do you get?

Answer 8

Didn't look at the signs Woops /.\ thanks @BTaylor

Answer 9

so, it's C?

Answer 10

3x<-9. after dividing by 3 we have x<-3 so which option is correct? @serpentgod

Answer 11

yes, good job.