alyssad1031
alyssad1031 alyssad1031
  • 09-03-2021
  • Mathematics
contestada

What are the solutions to this equation?
7x7 - 28 = 0
OA.
-2 and 1
2
OB.
I = -4 and 1
4
O C.
1
|--V7 and r
V7
D.
=
E –V2 and I
V2
2

What are the solutions to this equation 7x7 28 0 OA 2 and 1 2 OB I 4 and 1 4 O C 1 V7 and r V7 D E V2 and I V2 2 class=

Respuesta :

Lopside799 Lopside799
  • 09-03-2021

Answer: A

Step-by-step explanation:

7x^2-28=0

x^2-4=0

x^2=4

x=-2

x=2

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