SmokeyRN SmokeyRN
  • 23-10-2019
  • Mathematics
contestada

What are the solution(s) of the quadratic equation x2 = -98?

A x = ± 7 i 2

B x = ± 2 i 7

C X = ± 2 i 7
D X=+6i 3

Respuesta :

GarrettFish
GarrettFish GarrettFish
  • 23-10-2019

Answer:

A

Step-by-step explanation:

x2 = -98

x =+-√-98

x = +-√49 • 2 • -1

x = +-7√2 • -1

x = +-7i√2

(Note: i = √-1 and i^2 = -1, so you can interchange the values)

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