Write an equation for the nth term of the given arithmetic sequence. 12, 23, 34, 45, ... a. 648-12-01-00-00_files/i0040000.jpg = 12n 648-12-01-00-00_files/i0040001.jpg 1 c. 648-12-01-00-00_files/i0040002.jpg = 11n 648-12-01-00-00_files/i0040003.jpg 1 b. 648-12-01-00-00_files/i0040004.jpg = 23n

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Write an equation for the nth term of the given arithmetic sequence. 12, 23, 34, 45, ... a. 648-12-01-00-00_files/i0040000.jpg = 12n 648-12-01-00-00_files/i0040001.jpg 1 c. 648-12-01-00-00_files/i0040002.jpg = 11n 648-12-01-00-00_files/i0040003.jpg 1 b. 648-12-01-00-00_files/i0040004.jpg = 23n - 11d. an = 11n + 1

The equation for the nth term of the arithmetic sequence 12, 23, 34, 45, is an = a1 + (n - 1)d = 12 + 11(n - 1) = 12 + 11n - 11 = 11n + 1.

Expert answered|yeswey|Points 13738|

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Asked 6/16/2014 7:02:33 AM

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Find the indicated term of the given arithmetic sequence. a1 = 115, d = –8, n = 14 a. 3 c. 219 b. 11 d. 1487

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Updated 9/10/2014 12:53:41 AM

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yeswey

a1 = 115, d = –8, n = 14
a(14) = 115 + (14 - 1)(-8) = 115 + 13(-8) = 115 - 104 = 11

Added 9/10/2014 12:53:41 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/10/2014 3:36:09 AM]

Write an equation for the nth term of the given arithmetic sequence. –9, –20, –31, –42, ... a. an = –11n + 2 c. an = –11n – 20 an = 11n – 20 d. an = –9n + 1

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Updated 9/10/2014 12:46:11 AM

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yeswey

The equation for the nth term of the arithmetic sequence –9, –20, –31, –42, ... is a(n) = -9 + (n - 1)(-20 + 9) = -9 - 11(n - 1) = -9 - 11n + 11 = -11n + 2

Added 9/10/2014 12:46:11 AM

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Find the indicated term of the given arithmetic sequence. a1 = 105, d = –2, n = 9 a. 121 c. 838 b. 89 d. 87

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Updated 9/10/2014 12:43:22 AM

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yeswey

a1 = 105, d = –2, n = 9
a(9) = 105 + (9 - 1)(-2) = 105 - 16 = 89

Added 9/10/2014 12:43:22 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/10/2014 12:43:29 AM]

Write an equation for the nth term of the given arithmetic sequence. –13, –28, –43, –58, ... a. an = –15n – 28 c. an = –15n + 2 b. an = –13n + 1 d. an = 15n – 28

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Updated 9/10/2014 12:41:40 AM

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yeswey

The equation for the nth term of the given arithmetic sequence –13, –28, –43, –58, ... is a(n) = -13 + (n - 1)(-28 + 13) = -13 + (n - 1)(-15) = -13 - 15n + 15 = - 15n + 2

Added 9/10/2014 12:41:40 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/10/2014 12:43:39 AM]

Find the indicated term of the given arithmetic sequence. a1= 115, d = –11, n = 12 a. –17 c. –6 b. 236 d. 1254

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Updated 6/21/2014 7:12:38 PM

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jerry06

The indicated term of the arithmetic sequence a1 = 115, d = –11, n = 12 is –6. a12 = 115 + (12-1)*-11; a12 = 115 - 121; a12 = -6

Added 6/21/2014 7:12:38 PM