AP Precalculus Practice Test

40 questions60 minutesDetailed explanationsInstant scoring

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About the Real AP Precalculus Exam

The AP Precalculus exam is a college-level test administered by the College Board. Scoring a 3 or higher (on a 1-5 scale) can earn you college credit at thousands of universities, saving you time and tuition money. Over 3 million students take AP exams each year.

Our AP Precalculus Practice Test

Our AP Precalculus practice test contains 40 original multiple-choice questions matching the current AP Precalculus exam format. Questions are aligned to the College Board's course description and reflect the same topic weighting, difficulty distribution, and question styles found on the real exam.

What to Expect

You will answer 40 multiple-choice questions in approximately 60 minutes.
Questions cover all major units and topics in the AP Precalculus curriculum.
Difficulty ranges from straightforward recall to complex analysis and application.
After completion, you receive an estimated AP score on the 1-5 scale.
Every question includes a detailed explanation with subject-specific reasoning.
Your weak-area report shows which units and topics need the most review.

Try a Sample Question

AP Precalculus — Sample

What is the equation of a vertical asymptote for the rational function $g(x) = \frac{x-4}{x^2 - 16}$?

A $x = 0$

B $x = -4$

C $y = 0$

D $x = 4$

Explanation. The correct answer is $x = -4$. Vertical asymptotes occur where the denominator of a rational function is zero and the numerator is non-zero. First, factor the denominator: $x^2 - 16 = (x-4)(x+4)$. So, $g(x) = \frac{x-4}{(x-4)(x+4)}$. Notice that there's a common factor of $(x-4)$ in the numerator and denominator. This common factor indicates a hole in the graph at $x=4$, not a vertical

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