Critical Points of System of Simultaneous Differential Equation | Critical Point at orgin (0,0)

Critical Point at origin (0,0)
Nature and Stability of Critical point.
Node,
stable and unstable condition,
Spiral point and centre,
Critical point of a simultaneous Differential Equation,
what is codition of stability of critical point,
Type of stability of critical point,
type of Nature of critical point,
Solve one problem,
Discuss the nature and stability of the differential equation,
dx/dt=2x- 7y
dy/dt=3x-8y