Rewrite in standard form and use this form to find the vertex
(h,k).(0,7)
then just graph the (0,7) the just down cross the line down like a triangle
Divide the angle into two equal (congruent) parts without actually measuring the angle.
Daddy daddy daddy daddy and daddy
It would have a variable, and/or coefficients and sometimes constants
I'm going to guess B but I'm not sure