Posted by zach w on .
x+2y=12
find intercept
a circle equation x^2+y^2+4x4y1=0 and graph
2)find domain and range f(x)=x^24x5
find vertex of f(x) =x^2+4x21

math urgent urgent urgent 
Steve,
(12,0) and (0,6)
center at (2,2) radius 3
domain all reals, range all reals >= 9
(2,25)