Which equation represents y = -x² + 4x - 1 in vertex form? y

Last updated: 7/21/2022

Which equation represents y = -x² + 4x - 1 in vertex form? y = -(x + 2)² - 3 y = -(x - 2)² +3 y = -(x - 2)² + 5 y = -(x + 2)² - 1