shalayah2727 shalayah2727
  • 15-05-2020
  • Mathematics
contestada

Solve for x.

x2 - 49 = 0
A) 0
B) ±49
C) ±49i
D) ±7

Respuesta :

zondo35
zondo35 zondo35
  • 15-05-2020
The correct answer is D.
Answer Link
vickyricco
vickyricco vickyricco
  • 15-05-2020

Answer:

D

Step-by-step explanation:

x^2=49 -> 7

x^2=-49 -> -7

really need brainliest - it would be appreciated

Answer Link

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