Loading

Prepdle

Loading the lesson

Graph it (Desmos)Tactic

Tactic

Graph it (Desmos)

Turn the question into a point you can click

10 min 6 stepsGraded practice at the end

Every SAT math question comes with a free graphing calculator. Grabbing free stuff used to land me in detention; this time it's encouraged.

Meet it
Spot it
Run it
Dodge the traps
Play with it
Prove it

The first step is free. A free account opens the rest.

Calls on

Desmos operationsTechniqueGraph, click, slide, or fit, then confirm by hand

Used by

Choose a routeHabitPick the fastest route first; switch when it stalls

Other routes

Solve linear equations for a targetTacticRead the target first, then stop when it stands alone
Zero, one, or infinitely many solutionsTacticCompare slopes and intercepts instead of solving
Solve a system of two linear equationsTacticCancel one variable, then answer what's asked
Build a linear function from two factsTacticSlope from the change, intercept from one point
Model and optimize with inequalitiesTacticWrite the limit, solve at its edge, round to what fits
Solve a nonlinear equationTacticLet the form pick the method, then check every root