Question

Complete the square to re-write the quadratic function in vertex form:

Answer 1

y = (x - 5/2)² - 65/4

Explanation:

y = x² - 5x - 10

y = x² - 5x + (5/2)² - 10 - (5/2)²

y = (x - 5/2)² - 40/4 - 25/4

y = (x - 5/2)² - 65/4