## Algebra 1

The graph was made using graphing software. $y=x^2+4x+3$ vertex: $x=-b/2a$ $x= -4/2*1$ $x=-2$ $y=x^2+4x+3$ $y=(-2)^2+4*(-2)+3$ $y=4-8+3$ $y=-1$ $(-2,-1)$ The green line shows the axis of symmetry, and the vertex is labeled on the graph.