How to Pass the Algebra 2 Common Core Regents Exam

Passing the Algebra 2 Common Core Regents Exam comes down to three things: knowing what’s tested, practicing with real released questions, and managing your time and tools on test day. The exam is scored out of 86 credits, and you generally need a scaled score of 65 to pass—though the exact raw-to-scaled conversion changes slightly each administration. The test has four parts totaling 37 questions, and you must show work to earn full credit on constructed-response items.

Know the Exam Before You Study

The test is built from the New York State P–12 Common Core Learning Standards for Mathematics, and the format is published by the NYSED Office of State Assessment.

That’s 86 total credits. Multiple choice is only about 28% of your score, so roughly two-thirds of your grade depends on written work. Students who only drill multiple-choice questions often plateau—they haven’t practiced explaining and justifying.

The major topic clusters are consistent across administrations:

• Polynomial, rational, and radical relationships—factoring, the Remainder and Factor Theorems, simplifying rational expressions, solving radical equations.
• Trigonometric functions—the unit circle, radian measure, graphing sine and cosine, inverse trig, and identities like the Pythagorean identity.
• Modeling with functions—exponential growth and decay, logarithms, and interpreting parameters in context.
• Complex numbers—operations with i, including powers and conjugates.
• Statistics and probability—normal distribution, conditional probability, and interpreting data displays.

Build a Study Plan That Uses Real Questions

The single most effective preparation tool is the set of released exams. New York State has published actual past Regents exams with official answer keys, and they’re free to download through the New York State Education Department.

1. Take one full released exam cold, timed, with your reference sheet and graphing calculator. This is your baseline.
2. Score it honestly using the official key. For constructed response, compare your reasoning to the rubric—not just your final answer.
3. Log every miss by topic. Not “I got question 14 wrong,” but “I don’t understand rational exponents.”
4. Review the concept, then do 10–15 problems on it before moving on.
5. Retake a different released exam two weeks later.

Master Your Calculator and Reference Sheet

You get a graphing calculator (a TI-84 Plus is the common standard) and a printed reference sheet, and both are allowed on all four parts.

On the reference sheet, you’ll find formulas and facts you should not be memorizing from scratch: the unit circle values, the quadratic formula, laws of logarithms, and trig identities. Learn where each item sits so you don’t waste minutes hunting mid-question.

On your calculator, make sure you can do these without hesitation:

• Graph a function and adjust the window to see key features
• Find zeros, intersections, and maximum/minimum points
• Compute combinations and permutations (nCr, nPr)
• Convert between radians and degrees
• Use the log and exponential functions with any base

Suppose you’re asked to solve 2^x = 40 to the nearest hundredth. You can graph y = 2^x and y = 40 and find the intersection, or compute log(40)/log(2). Either path gives approximately 5.32. On a constructed-response question, write the equation you set up, state the method, and then give the rounded answer. Showing the setup is what earns the credit.

Score Points on Constructed Response

Two-thirds of the available credits come from written answers, and students routinely lose points they could have kept.

• Show every step. A correct answer with no work can earn zero on a multi-credit question; a wrong final answer with correct reasoning can still earn partial credit.
• Answer the question actually asked. If it says “to the nearest tenth,” round. If it says “justify,” include the reasoning—not just the number.
• Label your answers with the part letters (a, b, c) so the scorer can follow you.
• Use the units from the problem: dollars, feet, seconds, degrees.
• Don’t leave blanks. A partial setup often earns a point, and an empty page never does.

When you check your practice work, read the official scoring rubric alongside your solution. That’s how you learn what graders reward.

Manage Time and Reduce Test-Day Errors

You have three hours to finish the exam. A workable plan is about 45 minutes for Part I, 40 for Part II, 45 for Part III, and 20–25 for the single Part IV question, leaving roughly 15–20 minutes to check.

• Write the formula before substituting numbers. It slows you down for three seconds and prevents mix-ups.
• Watch for extraneous solutions in radical and rational equations—always check answers in the original equation.
• Check the mode on your calculator (degrees vs. radians) when working with trig.
• Re-read the final sentence of each problem before moving on; it often contains a condition you missed.

If you have testing accommodations on file—extended time, a separate setting—confirm them with your school counselor well before the exam date, since arrangements are set in advance. Passing also satisfies part of the mathematics requirement for a Regents diploma with advanced designation, so the score matters beyond the single test.

Turn Weak Topics Into Strong Ones With Deliberate Practice

Deliberate practice means isolating a specific skill until it’s automatic. Instead of doing twenty mixed problems, do ten that all require completing the square, then ten that all require converting from standard form to vertex form. Once a skill is reliable in isolation, mix it back into full-length practice.

A few diagnostic signals to act on:

• If you can start a problem but can’t finish it, the gap is usually algebraic fluency—factoring, distributing, or manipulating fractions. Drill those mechanics.
• If you don’t know how to start, the gap is conceptual. Re-read the relevant section and work a fully solved example before attempting new problems.
• If you get the right answer but lose points, the gap is communication. Practice writing your reasoning in complete steps.

Keep a single notebook for errors and review it before each practice exam.

Understand the Scoring So You Can Aim Precisely

The raw-to-scaled conversion is not a simple percentage—it shifts slightly from one administration to the next because the test is equated for difficulty. Near the middle of the range, a small number of raw points can move you across the passing line. That’s why partial credit matters enormously.

Common sources of recoverable points:

• A three-credit question where you set up the correct equation but made an arithmetic slip.
• A graphing question where you drew the right shape but forgot to label an intercept or an asymptote.
• A probability question where your method was right but you never simplified the fraction.

Each of these is a one- or two-point fix, and a few of them together can be the difference between passing and not.

Official scoring rubrics for constructed-response questions usually award points for specific, named steps rather than for a polished final answer. When you review a released exam, read the rubric line by line and ask, “Did my paper show this?” If the rubric says “correctly writes an exponential equation” and you jumped straight to a numerical answer, you left that point on the table even if your number matched.

Practice Under Real Conditions

Studying in short, comfortable bursts builds recognition, but the exam demands sustained focus. At least twice before test day, sit for a full three-hour session with no phone and only the tools you’ll actually have. Use the same calculator model you’ll bring, and use the official reference sheet rather than your notes.

Simulating conditions exposes problems that don’t show up during casual practice: fatigue in the third hour, rushing through Part IV, or discovering that you never learned to find an intersection on your specific calculator. After each simulation, review not just wrong answers but slow ones. If a question took you six minutes when it should have taken two, that’s a time leak worth closing.

Key Takeaways

• The exam is worth 86 credits across 37 questions in four parts, and you generally need a scaled score of 65 to pass.
• About two-thirds of the credits come from constructed-response questions, so practice showing and justifying your work.
• The released past exams from NYSED are the best study material—work through several of them under timed conditions.
• Learn your graphing calculator and reference sheet cold; they’re allowed on every part of the test.
• Score points by labeling parts, showing steps, using units, and never leaving a question blank.
• Budget roughly three hours in blocks by part, and leave time to check for extraneous solutions and calculator mode errors.