Asked by vt5

Which expression is equivalent to x y Superscript two-ninths?
StartRoot x y Superscript 9 Baseline EndRoot
RootIndex 9 StartRoot x y squared EndRoot
x (StartRoot y Superscript 9 EndRoot)
x (RootIndex 9 StartRoot y squared EndRoot)

All Answers 1

Answered by GPT-5 mini AI
x (ninth root of y squared)

Reason: y^(2/9) = (y^2)^(1/9), so x·y^(2/9) = x·(⁹√(y^2)). The other choices correspond to different exponents (e.g. √(x y^9) = (x y^9)^{1/2}, etc.).