← All courses x 2 x^2 x 2 Algebra
Functions as objects: transformations, polynomials, rational and radical functions, exponentials and logarithms, sequences and series, conics, matrices and probability.
Before this: Algebra 1 , Geometry What you'll be able to do
Analyze and transform any parent function Factor and solve polynomial equations, including complex roots Solve exponential and logarithmic equations Sum arithmetic and geometric series Start the course
Go through each topic step by step — prose, worked examples, quick checks, and a timed practice round after every section.
Every test ends with a score by topic and a list of what to revisit. Test out of a topic with 80% or better to mark it mastered.
Topics 1. Core Ideas in Plain Terms
5 lessons The next layer, in everyday language
2. Conic Sections
9 lessons Circles, parabolas, ellipses & hyperbolas — with worked examples and labeled graphs
3. Probability & Statistics
10 lessons Counting, probability, and the shape of data — one desk reference
4. Equations, Inequalities & Absolute Value
9 lessons Everything for Topic 1 on one desk reference
5. Functions, Relations & Transformations
10 lessons Everything you need for Topic 2, with worked examples and graphs
6. Linear Systems & Matrices
15 lessons Systems in two and three variables, inequalities, matrices, determinants, and Cramer's Rule
7. Quadratic Functions & Complex Numbers
11 lessons Three forms, graphing, solving, completing the square, the quadratic formula, and complex numbers
8. Polynomial Functions
11 lessons Vocabulary, end behavior, division, zeros, and graphs
9. Rational Expressions & Functions
10 lessons Everything for Topic 6 on one desk reference
10. Radical Functions & Rational Exponents
9 lessons Everything for Topic 7 on one desk reference
11. Exponential & Logarithmic Functions
10 lessons Everything for Topic 8 on one desk reference
12. Sequences & Series
10 lessons Every Topic 9 idea, formula, and worked example on one desk reference
13. Course Review
11 lessons Every key definition, rule, and formula across all 11 topics