MATH 21Linear Algebra
Systems of linear equations matrices, determinants. Introduces abstract vector spaces, linear transformation, inner products, the geometry of Euclidean space, and eigenvalues. Students cannot receive credit for this course and AM 10.
Prerequisite(s): score of 400 or higher on the mathematics placement examination (MPE) or MATH 3 or AM 11A or MATH 11A or MATH 19A or MATH 20A.
- Enroll in lecture and associated discussion section. Sections begin Monday, 1/11.
Find a section and add it to your scheduleLive seat counts, time-conflict checks and the walk from your previous class.
When it runs
Winter 2027Open Winter 2027
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 10:40am–11:45am | Media Theater M110 | Staff | Open 0/250 |
Fall 2026Open Fall 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 12:00pm–1:05pm | Humn Lecture Hall | Staff | Open 50/59 |
Summer 2026Open Summer 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 9:00am–11:15am | Online | S. Serboi | Open 68/75 |
| 02 | Lecture | Mon Wed Fri 9:00am–11:15am | Online | R. A. Fernandes | Open 46/50 |
| 03 | Lecture | Mon Wed Fri 1:00pm–3:15pm | Online | M. J. Williams | Open 30/50 |
Spring 2026Open Spring 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 12:00pm–1:05pm | Humn Lecture Hall | L. Escobar Vega | Open 166/210 |
Winter 2026Open Winter 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 12:00pm–1:05pm | Media Theater M110 | J. Suh | Open 189/210 |
Fall 2025Open Fall 2025
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 4:00pm–5:05pm | J Bask Aud 101 | C. Dong | Open 143/200 |
Who teaches it
| Instructor | Rating | Difficulty | Would take again | Reviews |
|---|---|---|---|---|
| Suzana Serboi | 4.1 / 5 | 2.6 / 5 | 82% | 43 |
| Junecue Suh | 3.4 / 5 | 4.1 / 5 | 60% | 66 |
| Chongying Dong | 3.1 / 5 | 3.4 / 5 | 29% | 35 |
From RateMyProfessors, which is student-submitted and not a survey. Small review counts move a long way on one bad quarter.
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