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?