https://www.khanacademy.org/math/algebra-2-essentials 2026-06-30T17:30:43.834984468Z Algebra 2 essentials Analyze complex numbers, polynomials, exponentials, logarithms, and function transformations through advanced practice. Build fluency with rational, radical, trigonometric, and sinusoidal models while interpreting graphs, solving equations, and applying algebraic reasoning to real-world relationships and multi-variable expressions. course