Angle c is opposite to?

What is the vertex form of f(x) = x2 + 6x + 3

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2