1. A.(3,2) 6(3)+2(2)=22

18+4=22

3(3)+4(2)=17

9+8=17

2. B.(3,-1) 5(3)-(-1)=16

15+1=16

(3)+(-1)=2

3-1=2

3. (2,-4)

4. (1,5)

5.one solution; the graph has two lines that meet at only one interception point

6.no solution; the graph had to parallel lines and contained no interception point