≠
Digital SAT · 60s
60

Solve this before your brain reaches for algebra.

f(x) = −2x² + 8x − 3 models a ball's height in meters. What is the maximum height it reaches? Graph the function and read off the vertex.

Screen 2 · Reveal

Reveal goes here

Solved

You solved it in 12.3s.

Most students burn ~4 minutes wrestling the algebra. You read it straight off the graph.

5
Get 5 more problems + the full visual method. One email at a time, each one a 30-second Desmos move that works inside Bluebook.

We'll only email you the problems. Unsubscribe anytime. Privacy.

Or start the 200-problem track now →
Your diagnostic

You've seen 1 of 6 GraphMoves. Here's what's waiting.

Most students leave 80+ points on the table because they don't know these moves exist.

✓Quadratic vertexStrong
!Systems of equationsNeeds work
−Parametric slidersNot tested
−Regression modelsNot tested
−Conic sectionsNot tested

Il SAT è il 22 agosto — hai 6 settimane. Early Access: $69.

Start the Full Program → Send this to a parent