Day 3: Section 9.4 Series
MTH 122 401 and 402 - Fall 2026
MTH 122 · COLLEGE ALGEBRA · DAY 3
Section 9.4 Series
✅ To-Do This Day
- Watch the Day 3 videos below
- Submit HW 3 Section 9.4: Series HW 3 Section 9.4 Series and Their Notations — ⏰ Due Monday, August 31st 11:59pm
Learning Objectives
- Use summation notation (Sigma notation)
- Use the formula for the sum of the first n terms of an arithmetic series.
- Use the formula for the sum of the first n terms of a geometric series.
- Use the formula for the sum of an infinite geometric series.
📝 Guided Notes
🎬 Day 3 Videos
1. Partial Sums and Series
2. Partial Sums Of Arithmetic Sequences
3. Partial Sums/Series of Geometric Sequences