SAT Master Prep

Systems: graph both equations and tap the intersection.
Solve any equation: graph each side as y = and read the x-value where they meet.
Quadratics: tap the vertex and x-intercepts.
Unknown constants: add a slider and drag until the graph matches.
Regression: enter a table and type y₁ ~ mx₁ + b.
Check equivalence: graph both expressions; identical graphs mean equivalent.

Companion to the SAT Master Prep Guide. Test facts from the College Board (Digital SAT, 2026–27). Practice items are original, not College Board questions. SAT is a trademark of the College Board, which is not affiliated with this app. Progress is saved on this device, and synced across your devices when opened in Claude.