Question 2 · Trigonometry
Easy
Solving Trig Equations — Question 2 on the ACT — April 2025 (US) test draws on Solving Trig Equations. Most students who missed it confused the setup; review the topic page and re-attempt.
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ACT — April 2025 (US)
ACT — April 2025 (US)
A topic-by-topic breakdown of math questions on the ACT — April 2025 (US) sitting. Use this to find which study topic each question is testing, and re-drill the ones you missed.
ACT Math Spring 2025 8 featured questions
The ACT — April 2025 (US) paper covered every category in the ACT Math taxonomy. The featured questions below are the ones we found students struggling with most when we marked submitted attempts; we link each to the topic page so you can immediately drill the underlying skill.
Most students who stalled on this paper did so because of a small handful of weak topics — typically two or three categories. The pattern in your wrong answers is more important than your raw score, so look at which topics show up below, not just how many you missed.
Featured question breakdown
Question 29 · Coordinate Geometry
Medium
Parallel and Perpendicular Lines — Question 29 on the ACT — April 2025 (US) test draws on Parallel and Perpendicular Lines. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 15 · Trigonometry
Medium
Graphs of Trig Functions — Question 15 on the ACT — April 2025 (US) test draws on Graphs of Trig Functions. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 18 · Intermediate Algebra
Hard
Complex Numbers — Question 18 on the ACT — April 2025 (US) test draws on Complex Numbers. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 36 · Plane Geometry
Easy
Angle Relationships — Question 36 on the ACT — April 2025 (US) test draws on Angle Relationships. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 16 · Plane Geometry
Medium
Circles — Question 16 on the ACT — April 2025 (US) test draws on Circles. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 8 · Coordinate Geometry
Medium
Graphing Parabolas — Question 8 on the ACT — April 2025 (US) test draws on Graphing Parabolas. Most students who missed it confused the setup; review the topic page and re-attempt.
Question 53 · Trigonometry
Hard
Inverse Trig Functions — Question 53 on the ACT — April 2025 (US) test draws on Inverse Trig Functions. Most students who missed it confused the setup; review the topic page and re-attempt.
Next steps
Pick your three weakest topics from the breakdown above and work through their dedicated pages. After you can confidently solve every practice question on each topic page, sit another paper and compare your improvement — most students see a clear bump within two cycles.
Browse the full past paper index for more recent sittings, or jump back to the ACT Math overview.