• #### 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.
• #### Calculating the Midpoint - Problem 3

##### Math›Geometry›Geometry Building Blocks
How to find the endpoint of a segment using the midpoint formula given the midpoint and the other endpoint.
• #### Introduction to Conic Sections - Concept

##### Math›Algebra 2›Conic Sections
How to create the different conic sections.
• #### Calculating the Midpoint - Problem 2

##### Math›Geometry›Geometry Building Blocks
How to use the endpoints of a line segment and the midpoint formula to find the midpoint of the line segment.
• #### Distance Formula - Problem 2

##### Math›Geometry›Pythagorean Theorem
How to identify a polygon (a triangle in this problem) as isosceles, equilateral, or scalene using the distance formula.
• #### Distance Formula - Problem 2

##### Math›Trigonometry›Pythagorean Theorem
How to identify a polygon (a triangle in this problem) as isosceles, equilateral, or scalene using the distance formula.
• #### 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.
• #### Glide Reflections - Problem 1

##### Math›Geometry›Transformations
How to perform a glide reflection on a triangle in the coordinate plane given a translation rule and a line to reflect over.
• #### 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.
• #### Locus and Definition of a Circle and Sphere - Problem 1

##### Math›Geometry›Circles
How to find the locus of points that are equidistant from the endpoints of a segment.
• #### Lines in 3D - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the point where a line passes through the xy-plane given the vector equation of the line.
• #### Locus and Definition of a Circle and Sphere - Problem 2

##### Math›Geometry›Circles
How to find the locus of points that are equidistant from the sides of an angle.
• #### Math Content Review III

##### Test Prep›ACT›ACT Math
Short, helpful video on ACT Geometry by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
• #### Trigonometric Form of Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
• #### Area With the Cross Product - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xy-plane using vectors formed from two of its sides.
• #### The Midpoint and Distance Formulas in 3D - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the equation of the set of points equidistant from two given points.
• #### Solving a Linear System in Three Variables with no or Infinite Solutions - Problem 1

##### Math›Algebra 2›Systems of Linear Equations
How to solve a system of linear equations in three variables that yields no solution.