Pandacorn Pandacorn

19-08-2018
Mathematics

contestada

What's the purpose of flipping the inequality sign when multiplying or dividing by a negative number?

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tinytoothpicks tinytoothpicks

19-08-2018

the negative sign will change the value of the number.

1<2
if we divide by -1
-1<-2
this is false because the values have changed, therefore you have to always flip the sign

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