# Free SAT Practice Questions

Question 1 of 1
ID: SAT-HOA-5
Section: Math - Heart of Algebra
Topics: Heart of Algebra; Algebraic Expression
Difficulty level: Challenging

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If $x^2=\dfrac{25x^3}{625}$, where $x\neq 0$, which of the following options is equivalent to $x$? (without calculator)

A$\mathrm{5}x$
B$\mathrm{25}\sqrt{x}$
C$\sqrt{\mathrm{5}x}$
D$\mathrm{5}\sqrt{x}$