Open in Desmos ↗Tangent Line to f(x) at x = a
Move the point of tangency and connect the derivative to the slope of the tangent line.
Interactive graph collection
AP Calculus AB
Open in Desmos ↗
Open in Desmos ↗Mean Value Theorem
Compare an interval’s average rate of change with the matching instantaneous rate of change.
Open in Desmos ↗Solid of Revolution
See a two-dimensional region become a three-dimensional solid through rotation.
Open in Desmos ↗Rectangle Riemann Sums
Adjust the number of rectangles and watch an area approximation become more precise.
Open in Desmos ↗Riemann Sums
Explore rectangular approximations and the role of signed area in a definite integral.
Open in Desmos ↗Right and Left Riemann Sums
Contrast left- and right-endpoint estimates on the same function and interval.
Open in Desmos ↗Secant Line → Tangent Line
Watch a secant line approach a tangent line as the two points move together.
Interactive graph collection
Precalculus Honors
Open in Desmos ↗Parametric Equations
Trace a curve through paired coordinate functions and explore how the parameter shapes its path.