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PSYCHO15rus [73]
3 years ago
13

Which of the following is a solution of x2 − 2x = −8? (6 points) Select one: a. negative 1 minus i square root of 28 b. 1 plus i

square root of 28 c. negative 1 minus i square root of 7 d. 1 plus i square root of 7
Mathematics
1 answer:
crimeas [40]3 years ago
3 0
X = 2 +- √4 -32 )/2 = 1 +-i√7

Answer is <span>d. 1 plus i square root of 7

Hope it helps!
</span>
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"eight times the difference of a number and three is sixty-four"?
morpeh [17]

Answer:

the number would be 11

Step-by-step explanation:

8    ·    x - 3       =      64

________                 _          (divide both sides by 8)

8                                 8

x - 3  =   8

+ 3         + 3

x  = 11

(check:

11 - 3 = 8

8 x 8 = 64 )

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2 years ago
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Rudik [331]

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3 0
2 years ago
Given (x – 7)2 = 36, select the values of x.
aksik [14]

Answer:

x=1,13

Step-by-step explanation:

(x – 7)^2 = 36

Take the square root of each side

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