Which is the correct way to write the Vertex Formula?

a(x-h)^2 + k

Step-by-step explanation:

the ^ is a power sign so to the power of 2

When written in "vertex form": (h, k) is the vertex of the parabola, and x = h is the axis of symmetry.

y = ax2 + bx + c form of the equation.

Step-by-step explanation:

c

step-by-step explanation:

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.