For the following exercises, find the first term given two terms from an arithmetic sequence. Find the first term or a1 of an arithmetic sequence if a 7 = 21 and a 15 = 42.

Chapter 11, Exercise 11.2 #20

For the following exercises, find the first term given two terms from an arithmetic sequence.

Find the first term or a1 of an arithmetic sequence if a7 = 21 and a15 = 42.

This problem has been solved!


Do you need an answer to a question different from the above? Ask your question!
Related Book For answer-question

Precalculus

1st Edition

Authors: Jay Abramson

ISBN: 9781938168345