# Symmetry and vertex

Write an equation for axis of symmetry; find coordinates of vertex

y = 3x squared + 21x - 4

© BrainMass Inc. brainmass.com October 9, 2019, 10:00 pm ad1c9bdddfhttps://brainmass.com/math/vector-calculus/axis-of-symmetry-vertex-205048

#### Solution Preview

We need to complete square in order to find the axis of symmetry and ...

#### Solution Summary

This provides an example of finding axis of symmetry and vertex

$2.19