Find the slope of the line between two given points.
When the slope is negative? When the slope is positive? When the slope is zero? When the slope is infinite?
Ambiguous Case Investigation
Position/velocity diagram in 2D
Solving Calculus Problems with Geogebra
Exploring Parallel Lines
Finding Sides of Right-Angled Triangles
Post shadow, Sun behind
GGG 2017 Jen Silverman