This lesson [8:08] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 1 of 4 in the series titled "Coordinate Geometry of Rhombii."

This lesson [8:20] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 2 of 4 in the series titled "Coordinate Geometry of Rhombii."

This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 3 of 4 in the series titled "Coordinate Geometry of Rhombii." [16:32]

This lesson [7:10] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 2 of 3 in the series titled "Coordinate Geometry of Square."

This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 3 of 3 in the series titled "Coordinate Geometry of Square." [16:21]

This lesson [8:34] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a square in a coordinate plane. It is 1 of 2 in the series titled "Coordinate Geometry of Squares."

This lesson [5:14] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 1 of 4 in the series titled "Coordinate Geometry of Trapezoids."

This lesson [7:20] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 2 of 4 in the series titled "Coordinate Geometry of Trapezoids."

This lesson [15:33] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices of a quadrilateral, if the shape is a trapezoid. It is 4 of 4 in the series titled "Coordinate Geometry of Trapezoids."

The x and y coordinates of the unit circle are discussed here, in the context of right triangles.

The x and y coordinates of the unit circle are discussed here, in the context of right triangles. This lesson [3:08] is 2 of 5 in the series titled "Coordinates on the Unit Circle."

This lesson defines correlation as the relationship between variables presented on a scatter plot. This is part of a series of lessons about topics related to scatter plots. It is 2 of 9 in the series titled "Correlation.' [3:31]

This lesson defines correlation as the relationship between variables presented on a scatter plot. This is part of a series of lessons about topics related to scatter plots. It is 3 of 9 in the series titled "Correlation." [2:04]

This lesson will introduce correlation and correlation coefficient. It is 7 of 9 in the series titled "Correlation." [9:59]

This lesson will introduce correlation and correlation coefficient. It is 8 of 9 in the series titled "Correlation." [9:52]

This lesson will introduce correlation and correlation coefficient. It is 9 of 9 in the series titled "Correlation." [9:00]

This lesson will introduce the connection between correlation and causality. It is 1 of 4 in the series titled "Correlation and Causation." Includes short quiz. [5:19]

This lesson will introduce the connection between correlation and causality. It is 2 of 4 in the series titled "Correlation and Causation." Includes short quiz. [6:14]

This lesson will introduce the connection between correlation and causality. It is 4 of 4 in the series titled "Correlation and Causation." Includes short quiz. [3:02]

In this video tutorial [7:00], students will explore corresponding parts of similar objects, and determine that angles are congruent and sides are proportional.