1. Which of the following ordered pairs is the solution of the system x+y=5 and y=x+ 2?
a. (3,2)
b. (4, 1)
c. (5,0)
d. (6,-1)
2. Which of the following methods can be used in graphing system of linear equations in two variables?
a. two points
c. slope & y intercepts
b. x and y Intercepts
d. all of the above​