Free GMAT Practice Questions

Question 1 of 1
ID: GMAT-PS-7
Section: Quantitative Reasoning - Problem Solving
Topics: Number Properties; Exponents
Difficulty level: Hard

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If $x^2 = x^3 + 1,$ what is the value of $x^4?$

A$x^5+2x^3+1$
B$x^6-2x^3+1$
C$x^5-x^3+1$
D$x^5+x^3-1$
E$x^2-x-1$

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