Question 588901
x+y=-6
y=-6-x
(x(-6-x)=0
-x^2-6x=0
Max at x = -b/2a
=-(-6)/-2
=-3
Max at y:
-(-3^2)-6(-3)
-9+18
=9
.
Ed
.
{{{graph(500,500,-10,10,-10,10,-x^2-6x)}}}