Rachel
About
Khan Academy on a Stick
Completing the square for vertex form
U10_L1_T2_we3 Completing the Square 3
Features of quadratic functions
Completing the square for vertex form
Rewriting a quadratic function to find roots and vertex
Your browser does not support Flash or HTML5 video. You can:
upgrade your browser
install Flash
try this direct link
If the above player doesn't work,
try this direct link
.