ria2389 ria2389

28-03-2019
Mathematics

contestada

When simplifying the quadratic formula to solve the equation x 2 + 6x - 55 = 0, the number under the radical sign will be:

-184
232
256

Respuesta :

tramserran tramserran

30-03-2019

Answer: 256

Step-by-step explanation:

x² + 6x - 55 = 0

The values under the radical are: b² - 4ac

(6)² - (4)(1)(-55)

= 36 - (-220)

= 36 + 220

= 256

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