Problem 4

Consider the following system of equation

( y = 2x + 2
4x - 2y = -4

a) Solve the system of equations by substitution. Be sure to show your work.
b) Consider the graph of the two lines in one coordinate system. Which of the
following best describes the two lines: intersecting at one point, parallel, or
I coinciding?
c) How many ordered pairs belong to the solution set?