For the differential equation

MATHEMATICS · Single correct · AP · Calculus AB · Differential Equations · Differential Equations

Problem

For the differential equation dydt=y2−ky\dfrac{dy}{dt}=y^{2}-ky, where kk is a non-zero real parameter, the number and stability of equilibrium solutions depend on the value of kk. For which values of kk does the equation have exactly one stable equilibrium solution? (a) k=0k=0 only (b) k>0k>0 only (c) All real k≠0k\neq 0 (d) All real kk (including k=0k=0)

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