Question 1070775
{{{y^2=-x+9}}}
When {{{x=0}}},
{{{y^2=9}}}
{{{y=3}}} and {{{y=-3}}} 
(0,3) and (0,-3)
When {{{y=0}}}
{{{0=-x+9}}}
{{{x=9}}}
(9,0)
.
.
.
There is symmetry about the y-axis.
.
.
*[illustration mm1.JPG].