Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

Evaluate. pay close attention to all brackets and signs. |_-2.3_| - |_5.6_|

OpenStudy (anonymous):

A. 3 B. -3 C. -9 D. 9

OpenStudy (anonymous):

absolute value of a negative number is a positive

OpenStudy (anonymous):

another floor function problem

OpenStudy (anonymous):

These are hard :(

OpenStudy (anonymous):

\[\lfloor -2.3\rfloor-\lfloor -5.6\rfloor = -3-(-6)=3 \]

OpenStudy (anonymous):

not that bad if you know what \[\lfloor x\rfloor\] means

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

yw

OpenStudy (anonymous):

ill have more lol :)

OpenStudy (anonymous):

floor or ceiling though?

OpenStudy (anonymous):

it means "the greatest integer less than \(x\)"

OpenStudy (anonymous):

never mind

OpenStudy (anonymous):

so for example \[\lfloor 3.001\rfloor=3\] and \[\lfloor -3.0001\rfloor=-4\]

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!