joellyy joellyy

21-05-2021
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

21-05-2021

Answer:

y = (x - 2)² - 9

Step-by-step 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

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