# Determine the type and stability of the critical point. Then find a real general solution and sketch or graph some of the trajectories in the phase plane. Show the details of your work. y' 1 = y 2 y' 2 = -9y 1

Chapter 4, P R O B L E M S E T 4 . 4 #3

Determine the type and stability of the critical point. Then find a real general solution and sketch or graph some of the trajectories in the phase plane. Show the details of your work.

y'_{1} = y_{2}

y'_{2} = -9y_{1}

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