wendosar wendosar

21-05-2019
Mathematics

contestada

what value is needed to complete the square?

1. x^2-2x+_

2. x^2-6x+_

Respuesta :

jimrgrant1 jimrgrant1

21-05-2019

Answer:

1 and 9

Step-by-step explanation:

To complete the square

add ( half the coefficient of the x- term)²

1

x² + 2(- 1)x + (- 1)² = x² - 2x + 1 = (x - 1)²

2

x² + 2(- 3)x + (- 3)² = x² - 6x + 9 = (x - 3)²

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