9.2 Arithmetic Sums
Sum of an Finite Arithmetic Sequence
Find the sum.
1. 8, 20, 32, 44, ..... n = 10
2. a1 = 15
a100 = 307
n = 100
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3. Find the sum of the first 100 positive odd integers.
4. 5. 2
p 714;76 Job offer
Starting Salary
Annual Raise
$36,800
$1,750
a. What is the salary during the 6th year of employment?
b. Determine total compensation through 6 full years.
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P.714;79 Seating capacity
Each row has 2 more seats than the preceding row. Find the seating capacity if the first row seats 25 people and there are 15 rows of seats.
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