Here learn what a dilation is, how do it using geometry, and how to do it on a coordinate plane using algebra. I know you got this.
Practice problems: https://docs.google.com/document/d/1FtGIQ-iMQ4BW-YaHCPxj9X__REqI9d_HzJwIlhzOZs4/edit?usp=sharing
Solutions (odds): https://docs.google.com/document/d/1v8yix-tbg5O4kVBXs_dkUeoYiB4qOXrGY__iTg85pxo/edit?usp=sharing
Solutions (evens): https://docs.google.com/document/d/18xOVgmy3XoVIPgMQwswzg61oW_1xtgYiTDZfVG8bNyU/edit?usp=sharing
https://www.mathwithmiller.org/