Find the indicated quantity of the arithmetic sequence.
-a1 = 7 , d = 1 ; find $\mathrm { a } _ { 13 }$
A)- 6
B)- 5
C)20
D)19

Name: Find the indicated quantity of the arithmetic sequence. -a1 = 7 , d = 1 ; find $\mathrm { a } _ { 13 }$ A)- 6 B)- 5 C)20 D)19
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Quizplus · Accepted Answer

The 13th term of an arithmetic sequence is found using the formula $a_n = a_1 + (n - 1)d$. Substituting $a_1 = 7$, $d = 1$, and $n = 13$, we get $a_{13} = 7 + (13 - 1)(1) = 7 + 12 = 19$.

Find the Indicated Quantity of the Arithmetic Sequence a13\mathrm { a } _ { 13 }a13​

Find the Indicated Quantity of the Arithmetic Sequence $\mathrm { a } _ { 13 }$