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Which of the following is an arithmetic sequence? 1, -3, 9, -27,... -2, 4, -6, 8, ... -8, -6, -4, -2, ...
-8,-6,-4,-2... is an arithmetic sequence. Because it has common difference of 2, common difference = -2 + 4 = 2.
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Asked 6/23/2016 11:15:07 AM
Updated 6/24/2016 5:08:19 PM
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-8,-6,-4,-2... is an arithmetic sequence.
Because it has common difference of 2, common difference = -2 + 4 = 2.
Added 6/24/2016 5:08:19 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/24/2016 9:06:23 PM]
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Questions asked by the same visitor
Find the common difference for the sequence below. 1/4, 5/16, 3/8
Question
Not Answered
Updated 6/24/2016 5:06:33 PM
1 Answer/Comment
The common difference for the sequence 1/4,5/16,3/8... is 1/16.
The common difference = 3/8 - 5/16 = 5/16 - 1/4 = 1/16
Added 6/24/2016 5:06:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/24/2016 9:07:05 PM]
Evaluate the expression for x = -3. x2 - 2x + 4
Weegy: x^2 - 2x^4 = (-3)^2 - 2(-3)^4 = 9 - 162 = - 153 (More)
Question
Updated 6/29/2016 8:54:12 PM
1 Answer/Comment
when x = -3;
x^2 - 2x + 4;
= (-3)^2 - 2*(-3) + 4;
= 9 + 6 + 4;
= 15 + 4;
= 19
Added 6/29/2016 8:54:12 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/29/2016 11:18:14 PM]
Which of the following is an arithmetic sequence? 1, -3, 9, -27,... -2, 4, -6, 8, ... -8, -6, -4, -2, ... 2, 4, 8, 16, ...
Question
Updated 6/25/2016 10:07:47 PM
1 Answer/Comment
-8,-6,-4,-2.... is an arithmetic sequence.
Because it has common difference of 2.
The common difference = -2 + 4 = 2
Added 6/25/2016 10:07:47 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/26/2016 3:52:07 PM]
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