| 21 | 21th LS(220228) Solving Quadratic Equations (PDF 527) | Jp Park  | 2022-03-01 | 0 |
| 22 | 22th LS(220303) Application of Quadratic Equations (Stewart .. | Jp Park | 2022-03-04 | 1 |
| 23 | 23th LS(220307) Inverse Function (Stewart Precal PDF 242) | Jp Park | 2022-03-08 | 0 |
| 24 | 24th LS(220310) Multiplying Polynomials (PDF 371) | Jp Park | 2022-03-11 | 0 |
| 25 | 25th LS(220314) Special product Polynomials (PDF 377) | Jp Park | 2022-03-15 | 0 |
| 26 | 26th LS(220321) Radical Equations (McGraw Hill PDF 603) | Jp Park | 2022-03-22 | 0 |
| 27 | 27th LS(220328) Cube root graph | Jp Park | 2022-03-29 | 0 |
| 28 | 28th LS(220331) 10.4 Inverse of Function (PDF 577) | Jp Park | 2022-04-01 | 0 |
| 29 | 29th LS(220404) Inverse of Function (Stewart Precal PDF 243.. | Jp Park | 2022-04-05 | 0 |
| 30 | 30th LS(220407) Solving Quadratic Eqs (Bim PDF 517) | Jp Park | 2022-04-08 | 0 |
| 31 | 31th LS(220411) Approximating Solutions (Bim PDF 531) | Jp Park | 2022-04-12 | 0 |
| 32 | 32th LS(220414) Solving Quadratic Equations (Bim PDF 542) | Jp Park | 2022-04-15 | 0 |
| 33 | 33th LS(220418) Nonlinear System Equations | Jp Park | 2022-04-19 | 0 |
| 34 | 34th LS(220421) 10.4 Inverse of a function (PDF 577) | Jp Park | 2022-04-22 | 6 |
| 35 | 35th LS(220428) Radical and Rational Exponents (PDF 306) | Jp Park | 2022-04-29 | 0 |
| 36 | 36th LS(220502) Exponential Function (Stewart Precal PDF 347.. | Jp Park | 2022-05-03 | 0 |
| 37 | 37th LS(220505) Exponential Function (Larson Algebra) | Jp Park | 2022-05-06 | 1 |
| 38 | 38th LS(220509) Permutation and Combination (Larson Algebra .. | Jp Park | 2022-05-10 | 0 |
| 39 | 39th LS(220516) Map Test 대비 기출 문제 Review | Jp Park | 2022-05-17 | 0 |
| 40 | 40th LS(220519) 1.3 Midpoint and Distance Formula (PDF 25) | Jp Park | 2022-05-20 | 0 |
