Algebra 2 Unit Tests
Pick a unit to drill it head-on. Each unit has 4 different test variations so you can keep retaking until you master it.
Unit 1: Equations, Inequalities & Systems
Linear systems, absolute-value equations, and compound inequalities.
12 questions · ~18 min
Unit 2: Quadratics & Complex Numbers
Solving quadratics, the discriminant, parabolas, and complex numbers.
12 questions · ~18 min
Unit 3: Polynomials & Rational Functions
Polynomial arithmetic and factoring, the factor/remainder theorems, end behavior, and rational functions.
12 questions · ~18 min
Unit 4: Exponential & Logarithmic Functions
Growth and decay, logarithm properties, and solving exponential/log equations.
12 questions · ~18 min
Unit 5: Trigonometry
Unit circle values, trig graphs, identities, and right-triangle trigonometry.
12 questions · ~18 min
Unit 6: Sequences, Series & Probability
Arithmetic and geometric sequences, series and convergence, counting, and probability.
12 questions · ~18 min
How unit tests work
- Focused on a single AP unit, between a single-topic quiz and the full diagnostic.
- 4 variations per unit — pick a fresh variation any time you retake.
- Roughly 90 seconds per question — the same pacing as the AP exam.
- You'll get a unit-level score, recommended topics to review, and a question-by-question explanation.
About the Algebra 2 exam
Algebra 2 builds on Algebra 1 and Geometry to deepen and broaden students' command of functions, equations, and algebraic structure, serving as the key bridge to precalculus and calculus. The course extends earlier work to a wider range of function families: quadratic functions and the complex-number solutions of quadratic equations, polynomial functions of higher degree, rational and radical functions, and—centrally—exponential and logarithmic functions. Students also study systems of equations and inequalities, sequences and series, and an introduction to trigonometry and the unit circle in many curricula, along with a unit on probability and statistics in some standards frameworks. A defining new idea is the introduction of imaginary and complex numbers, which lets students solve every quadratic and understand the Fundamental Theorem of Algebra. Algebra 2 demands more abstraction and stamina than Algebra 1: problems often require multiple representations, transformations of parent functions, and reasoning about domain, range, asymptotes, and end behavior across many function types simultaneously. Students most commonly struggle with logarithms (especially treating them as the inverse of exponentials), with manipulating rational expressions and identifying extraneous solutions in radical and rational equations, and with the sheer number of function families they must keep distinct. Because standards differ by state and curriculum, assessment occurs through coursework and, in some states, end-of-course exams. Effective preparation emphasizes mastering parent functions and their transformations, understanding inverse relationships (particularly exponential-logarithmic), checking for extraneous solutions, and connecting symbolic, graphical, and numerical views. This fluency is precisely what precalculus and AP Calculus assume students already possess.
Exam structure
Algebra 2 has no single national exam; it is assessed through classroom assessments and, in some states, end-of-course exams. Coverage typically spans quadratics and complex numbers, polynomials, rational and radical functions, exponentials and logarithms, sequences/series, and introductory trigonometry.
Scoring
Scoring varies by jurisdiction: classroom grades follow the teacher's policy, and state end-of-course exams report scaled scores and performance levels used for accountability or graduation requirements.
Common mistakes
- Misunderstanding logarithms as the inverse of exponential functions and misapplying log properties
- Forgetting to check for extraneous solutions when solving radical and rational equations
- Errors combining or simplifying rational expressions and finding common denominators
- Confusing transformations of parent functions (shifts, stretches, reflections) across different families
- Mishandling complex numbers and the discriminant when classifying quadratic solutions