Instructional Video
Sophia Learning

Sophia: Cross Product

9th - 10th
This lesson introduces the cross product
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: Lesson 6

9th - 10th
This lesson [7:55] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 6 of 6 in the series titled...