Write each quadratic equation in the form y = a(x - h)2 + k. Find the vertex, line of symmetry, and any intercepts.
1. f(x) = x2 + 2x + 4
2. f(x) = x2 - 6x - 1
3. f(x) = x2 - 2x + 1
4. f(x) = x2 + 4x + 2
5. f(x) = x2 - 8x + 3
Pa helps!