• #### Introduction to Planes - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write an equation for the coordinate planes or any plane that is parallel to one.
• #### The Complex Plane - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane.
• #### Introduction to Planes - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to write an equation for planes that contain one of the sides of a rectangular box.
• #### Introduction to Planes - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to graph a plane by plotting its intercepts.
• #### Distance Formula - Problem 1

##### Math›Trigonometry›Pythagorean Theorem
How to find the distance between two points on the coordinate plane using the distance formula.
• #### Distance Formula - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to find the distance between two points on the coordinate plane using the distance formula.
• #### Graphing 2 Variable Inequalities - Concept

##### Math›Algebra›Solving and Graphing Inequalities
How to graph inequalities in the xy plane.
• #### Graphing 2 Variable Inequalities - Concept

##### Math›Precalculus›Linear Equations and Inequalities
How to graph inequalities in the xy plane.
• #### Graphing 2 Variable Inequalities - Problem 3

##### Math›Precalculus›Linear Equations and Inequalities
How to graph inequalities in the xy plane when the line is vertical or horizontal.
• #### Graphing 2 Variable Inequalities - Problem 1

##### Math›Algebra›Solving and Graphing Inequalities
How to graph inequalities in the xy plane when the equation is solved for y.
• #### Graphing 2 Variable Inequalities - Problem 3

##### Math›Algebra›Solving and Graphing Inequalities
How to graph inequalities in the xy plane when the line is vertical or horizontal.
• #### Calculating the Midpoint - Problem 4

##### Math›Geometry›Geometry Building Blocks
How to use the midpoint formula to find an endpoint of a segment, when given the coordinates of the midpoint and the other endpoint.
• #### Graphing 2 Variable Inequalities - Problem 1

##### Math›Precalculus›Linear Equations and Inequalities
How to graph inequalities in the xy plane when the equation is solved for y.
• #### Calculating the Midpoint - Concept

##### Math›Geometry›Geometry Building Blocks
How to find the midpoint of a segment with endpoints in rectangular coordinates, How to write the midpoint formula.
• #### Graphing 2 Variable Inequalities - Problem 2

##### Math›Algebra›Solving and Graphing Inequalities
How to graph inequalities in the xy plane when the equation is not solved for y.
• #### Rectangle and Square Properties - Problem 2

##### Math›Geometry›Polygons
How to find the point of intersection of the diagonals of a rectangle in a coordinate plane.
• #### Graphing 2 Variable Inequalities - Problem 2

##### Math›Precalculus›Linear Equations and Inequalities
How to graph inequalities in the xy plane when the equation is not solved for y.
• #### Trigonometric Form of Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
• #### Calculating the Midpoint - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to find the midpoint of a segment using the midpoint formula given the endpoints.
• #### Distance Formula - Concept

##### Math›Geometry›Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem.