The 1st, 2nd and 3rd terms of an arithmetic progression are 8 - x, 3x and 4x + 1 respectively. Calculate the value of x, and find the sum of the first eight terms of the progression.
The 1st, 2nd and 3rd terms of an arithmetic progression are 8 - x, 3x and 4x + 1 respectively. Calculate the value of x, and find the sum of the first eight terms of the progression.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.9: Geometric Sequences As Exponential Functions
Problem 36PPS
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