1. Find the equation of the axis of symmetry of the graph of y = (x + 3)^2 - 5
2. Find the equation of the axis of symmetry of the parabola.
[asy]
unitsize(0.5 cm);
real f(real x) {
return (3 - (x - 2)^2/4);
}
int i;
for (i = -5; i <= 5; ++i) {
draw((i,-5)--(i,5),gray(0.7));
draw((-5,i)--(5,i),gray(0.7));
}
draw((-5,0)--(5,0));
draw((0,-5)--(0,5));
draw(graph(f,-3.6,5), red);
label("x", (5,0), NE);
label("y", (0,5), NE);
[/asy]
write the answer as an equation
