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16.04.2020 •
Mathematics
Mr.Walden wrote the expression StartFraction p Superscript negative 5 Over q Superscript 0 EndFraction. He asked his students to write an equivalent expression of StartFraction p Superscript negative 5 Over q Superscript 0 EndFractionin simplified form. Four students wrote these expressions. Isaac Rosa Bruce Brianna StartFraction q Superscript 0 Over p Superscript negative 5 EndFraction p Superscript negative 5 + q Superscript 0 p Superscript 5 Baseline q Superscript 0 StartFraction 1 Over p Superscript 5 Baseline q Superscript 0 EndFraction Which student is correct? Isaac Rosa Bruce Brianna
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Ответ:
When you divide a negative number by a positive number then the quotient is negative. When you divide a positive number by a negative number then the quotient is also negative. When you divide two negative numbers then the quotient is positive. The same rules hold true for multiplication.
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