Solve the equation by using the Square Root Property. x2

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Solve the equation by using the Square Root Property. x2 - 2x + 1 = 18

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Asked 12/3/2014 7:47:46 AM

Updated 12/4/2014 2:17:39 AM

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Flagged by janezeshun [12/4/2014 2:15:38 AM]

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User: Solve the equation by using the Square Root Property. x2 - 2x + 1 = 18

Question

Asked 12/3/2014 7:47:46 AM

Updated 12/4/2014 2:17:39 AM

1 Answer/Comment

Flagged by janezeshun [12/4/2014 2:15:38 AM]

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janezeshun

x^2 - 2x + 1 = 18
(x - 1)^2 = 18
x - 1 = ±3*2^1/2
x = ±3*2^1/2 + 1

Added 12/4/2014 2:17:39 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [12/4/2014 6:58:34 AM]

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Solve the equation by factoring. x2 = 81 a. {81,9} b. { -9,9} c. {9,0} d. {0,0}

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Question

Updated 12/2/2014 8:11:24 PM

1 Answer/Comment

janezeshun

x^2 = 81
when x*x = 9*9 , x= 9
when x*x= (-9)*(-9) , x= -9
So the solution for x^2 = 81 is {-9 ,9} .

Added 12/2/2014 8:11:24 PM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [12/2/2014 8:21:40 PM], Rated good by andrewpallarca

Solve the equation by factoring. x2 = 81

Weegy: (x-9) (x+9)User: Solve the equation by factoring. x2 = 81 (More)

Question

Updated 12/4/2014 10:11:41 PM

1 Answer/Comment

janezeshun

x^2 = 81
x^2 - 81= 0
(x - 9)(x+ 9) = 0
when x - 9 = 0 , x = 9
when x + 9 = 0 , x = -9

Added 12/4/2014 10:11:41 PM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [12/5/2014 4:31:24 AM], Rated good by andrewpallarca

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Weegy: The invasion by another group is not a theory for the decline of the Mayan civilization. en.wikipedia.org/wiki/Minoan_civilization (More)

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Choose the verb that best agrees with the subject in the sentence below. On a regulation baseball field, ninety feet (is, are) the distance between the bases. a. is b. are

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Updated 12/8/2014 8:55:09 AM

1 Answer/Comment

jerry06

On a regulation baseball field, ninety feet is the distance between the bases.

Added 12/8/2014 8:55:09 AM

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1 Answer/Comment

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The first draft of the Civil Rights Act was proposed by John F. Kennedy.

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