dom1762 dom1762
  • 11-01-2020
  • Mathematics
contestada

Find the zeros of y= x2 - 6x - 4 by completing the square.

Respuesta :

PollyP52 PollyP52
  • 11-01-2020

Answer:

x = 3 - √13,  3 + √13.

or

-0.61, 6.61  to the nearest hundredth.

Step-by-step explanation:

x^2 - 6x - 4 = 0

(x - 3)^2 - 9 - 4 = 0

(x - 3)^2 = 13

x - 3 = +/-√13

x = 3 - √13,  3 + √13.

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