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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
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24 votes
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-example-1
User Drew Delano
by
7.3k points

1 Answer

12 votes

Answer: A

Explanation:

7x^2-28=0

x^2-4=0

x^2=4

x=-2

x=2

User Filippo De Luca
by
8.6k points
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