[tex]Problem\ 2:\ Intersection:\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (4,12,-0.25)\ \ \ \ \ (-4.12,-0.25)[/tex]
[tex]poblem\ 3:\ in\ Gersection:\ (2,2)\ \ \ \ \ (-2,2)[/tex]
[tex]Problem\ 4:\ 2ntersection:\ No\ exist[/tex]
[tex]Problem\ 5:\ I_ntersection:\ \ \ \ \ (3,5)[/tex]
[tex](circle\ and\ (line)[/tex]
I hope this helps you
:)