See the attached file for questioins

I)         Is the ordered pair (1, -1) a solution of the given linear system?

                        2x – 3y = 5

                        6x + y = 1

II) Solve by the Substitution Method

            3x + y = 7

            4x + 3y = 1

III)       Find the solution of the pair of equations by graphing:

                        x = -3

                        x = 2

            a) Graph:

b)      Is the system inconsistent or consistent? Why?

c)      Are they independent of dependent equations? Why?

IV)       Solve using elimination/addition method

V)        Last month Jerry purchases two DVDs and five CDs at Wall-to-Wall Sound for               $65. This month he bought four DVDs and three CDs for $81. Find the price of   

            each DVD and find the price of each CD. [Use either addition or substitution

            method.]