K–12 · advanced
Precalculus
Advanced algebra and trig as the bridge into calculus.
Skills
16 skills in 6 sections — fundamentals first, then more specific topics. Practice each until Mastery Score 100.
A.Functions3 skills
B.Exponents & logs5 skills
- B.1 Exponent LawsPractice →Simplify products and powers of powers.
- B.2 Evaluating LogarithmsPractice →Evaluate logarithms of perfect powers exactly.
- B.3 Log Product RulePractice →Expand log(ab) using log laws (base 10 style).
- B.4 Solving Exponential & Log EquationsPractice →Solve bˣ = c and log_b(x) = k when everything is a perfect power.
- B.5 Exponential Growth & DecayPractice →Evaluate exponential models a·rᵗ at whole-number times.