Question #b4424
1 Answer
Nov 13, 2016
graph{(x-4)(x+8) [-10, 10, -40, 5]}
The axis of symmetry is between the roots, so we can take the average of 4 and -8 to find the symmetry axis.
Axis of symmetry:
Vertex: plug the value in the axis of symmetry into the equation:
Vertex at