87.2k views
5 votes
1.
Write y = x2 - 4x – 5 in the form y = (x + h) + k
Someone please help meee

User Erocoar
by
6.7k points

1 Answer

5 votes

Answer:

y = (x - 2)² - 9

Explanation:

Using the method of completing the square

add/ subtract ( half the coefficient of the x- term)² to x² - 4x

y = x² + 2(- 2)x + 4 - 4 - 5

y = (x - 2)² - 9

User StackPusher
by
5.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.