7:35
Using the Cartesian System
ThinkwellVids
10:56
The Distance and Midpoint Formulas
5:25
Finding the Second Endpoint of a Segment
8:38
Collinearity and Distance
5:31
Triangles and Distance
13:37
Graphing Equations by Plotting Points
13:12
Finding the x- and y-Intercepts of an Equation
8:30
Introduction to the Equation of a Circle
4:35
Graphing a Circle
6:43
Writing the Equation of a Circle, Part 1
2:54
Writing the Equation of a Circle, Part 2
11:04
Writing the Equation of a Circle: Another Example
9:04
Testing for Symmetry
10:54
Using Symmetry as a Sketching Aid
