If both sides of an inequality are multiplied by a negative number, the symbol
Astays the same
Bturns into equals
Cmust be flipped
Dis left out
Answer & Solution
Correct answer: C. must be flipped
1. Multiplying or dividing by a negative reverses the order of numbers.
2. So the inequality symbol must be flipped.
3. Example: 2 < 5 becomes -4 > -10 after multiplying by -2.
_Source: Wikipedia, Elementary algebra, Equations_
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