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Mathematics 12 Online
OpenStudy (anonymous):

If a > b and c < 0, then:

OpenStudy (anonymous):

ac>bc a over c > b over c ac<bc none of the above

OpenStudy (anonymous):

lets try it with numbers since \(12>6\) and \(-3\) is \(<0\) then what do we know about \(12\times (-3)\) vs \(6\times (-3)\)

OpenStudy (anonymous):

what is bigger, \[-36\] or \[-18\]?

OpenStudy (anonymous):

-18

OpenStudy (anonymous):

so....

OpenStudy (anonymous):

so \[ac<bc\] if you multiply by a negative number the inequality flips

OpenStudy (anonymous):

also if you divide

OpenStudy (anonymous):

so C

OpenStudy (anonymous):

it is always C yes

OpenStudy (anonymous):

k thanks

myininaya (myininaya):

I bet you could find a counterexample @kballet084 to the statement "it is always C" :p

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