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

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asked Mar 12, 2019 10.7k views

1 Answer

ArtDijk · Answer 1 · 2019-03-16T15:02:55+0000

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

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

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