Suppose that a is a matrix with real entries. show that if λ is a complex eigenvalue of a, then its associated eigenvector will also be complex

Given the following statements, which is the best

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters