Consider the sequence 30, 42, 54, 66, ..., 12n + 6. a. How many terms are there in the sequence? Your answer will be in terms of n. n-1 b. What is the second-to-last term? 12n-6 c. Find the sum of all the terms in the sequence, in terms of n. 6(n²+2n=3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter3: Linear And Nonlinear Functions
Section3.6: Arithmetic Sequences As Linear Functions
Problem 38PFA
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Consider the sequence 30, 42, 54, 66, 12n + 6.
9.9
a. How many terms are there in the sequence? Your answer will be in terms of n.
n-1
b. What is the second-to-last term?
12n-6
c. Find the sum of all the terms in the sequence, in terms of n.
6(n²+2n-3
Transcribed Image Text:Consider the sequence 30, 42, 54, 66, 12n + 6. 9.9 a. How many terms are there in the sequence? Your answer will be in terms of n. n-1 b. What is the second-to-last term? 12n-6 c. Find the sum of all the terms in the sequence, in terms of n. 6(n²+2n-3
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