It is important to find the vertex using the formula x = -b/(2a) and then subbing in to get the corresponding y-value. The "c" is the y-intercept and we used the axis of symmetry to help generate more points.
Use the links below for review or practice:
https://www.youtube.com/watch?v=CGvrx3sGO-E
https://www.youtube.com/watch?v=znAggG1UeBE
To review 4.1 (vertex form)only use:
https://www.youtube.com/watch?v=vpTvNFXvj38 only watch up the first 8 minutes
HW: Complete the rest of WS 4.2 & continue working on Desmos: Quadratic Transformations in Standard Form.