https://www.khanacademy.org/math/ap-calculus-ab/ab-differential-equations-new/x2dd7feea:differential-equations-free-response-questions/a/differential-equations-frqs 2026-06-25T15:40:55.094699315Z Differential equations FRQs What types of questions focus on concepts from this unit? What makes a high-quality response? How are the responses scored? This article walks you through these questions. article https://www.khanacademy.org/math/ap-calculus-ab/ab-differential-equations-new/x2dd7feea:differential-equations-free-response-questions/v/2011-calculus-ab-free-response-5c 2026-06-29T20:40:47.259641521Z Finding particular solution to differential equation: 2011 Calculus AB free response #5c Solving a differential equation using separation of variables Sal Khan video https://cdn.kastatic.org/googleusercontent/ZTorxkEDLwumv3IvDO1lVICLdHBTGIB-OcNZw2huJK5EEsjy6_Wyb1jBvRBjcTLN94MqhewEVC_IDguDGm9VRmicLg Finding particular solution to differential equation: 2011 Calculus AB free response #5c Solving a differential equation using separation of variables https://cdn.kastatic.org/ka-youtube-converted/R-2Uw10QgIo.mp4/R-2Uw10QgIo.mp4 555 Free response questions: differential equations https://www.khanacademy.org/math/ap-calculus-ab/ab-differential-equations-new/x2dd7feea:differential-equations-free-response-questions/v/sketching-a-slope-field-ap-calculus-ab-bc-2015-4a 2026-06-29T20:40:47.259641521Z Sketching a slope field AP Calculus AB BC 2015 4a Sketching a slope field given a differential equation Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/9be4b33f-402a-4679-811f-fe4ff6a629d6_1280_720_base.png Sketching a slope field AP Calculus AB BC 2015 4a Sketching a slope field given a differential equation https://cdn.kastatic.org/ka-youtube-converted/cbkrtV5Qajs.mp4/cbkrtV5Qajs.mp4 494 Free response questions: differential equations https://www.khanacademy.org/math/ap-calculus-ab/ab-differential-equations-new/x2dd7feea:differential-equations-free-response-questions/v/2017-ap-calculus-abbc-4c 2026-06-29T20:40:47.259641521Z Finding particular solution to differential equation: 2017 AP Calculus AB/BC 4c Potato problem from 2017 AP exam (Question 4, part c). Finding a particular solution for a separable differential equation. video https://cdn.kastatic.org/ka_thumbnails_cache/3e242663-5d3e-443d-899f-d75ffae7a4da_1280_720_base.png Finding particular solution to differential equation: 2017 AP Calculus AB/BC 4c Potato problem from 2017 AP exam (Question 4, part c). Finding a particular solution for a separable differential equation. https://cdn.kastatic.org/ka-youtube-converted/0DGrdJA5Mx4.mp4/0DGrdJA5Mx4.mp4 424 Free response questions: differential equations https://www.khanacademy.org/math/ap-calculus-ab/ab-differential-equations-new/x2dd7feea:differential-equations-free-response-questions/v/2015-ap-calculus-ab-6c 2026-06-29T20:40:47.259641521Z Differentiating implicitly: 2015 AP Calculus AB 6c Finding second derivative through implicit differentiation video https://cdn.kastatic.org/googleusercontent/QXxEkhijhK1ygDaBLW68rim_7R3fqZ0ZSwTPA8iWbaLOm_bws8ca9O0F-uTkJy2SwavqvJqj4QIxhceddP-kbAA Differentiating implicitly: 2015 AP Calculus AB 6c Finding second derivative through implicit differentiation https://cdn.kastatic.org/ka-youtube-converted/qSb78ptLZU0.mp4/qSb78ptLZU0.mp4 377 Free response questions: differential equations