🚀 Top Desmos Math Hacks for 750+ Scorers
Hack #1: Instant System of Equations Solutions
Never use substitution or elimination when solving a system like:
2x + 3y = 14y = x² - 4
Type both equations directly into Desmos. Click where the curves cross. Desmos will highlight the exact intersection coordinate points instantly!
Hack #2: Finding Vertices & Min/Max
When asked for the minimum value or peak height of a projectile:
f(x) = -4.9x² + 24x + 1.2
Graph the function and click on the apex of the parabola. Desmos automatically marks a grey circle at the vertex showing the maximum height.
Hack #3: Constant "k" with Desmos Sliders
When a problem states: "For what value of k does x² + 6x + k = 0 have no real solutions?":
Type the equation in Desmos and click add slider for k. Drag the slider until the parabola is completely above the x-axis (no x-intercepts).
Hack #4: Regression for Word Problems
When given two or three data points in a table:
Click + → table and enter the points. On line 2, type y₁ ~ mx₁ + b for linear or y₁ ~ a·b^(x₁) for exponential. Desmos calculates m and b automatically!