• #### Plotting Points and Naming Quadrants - Concept

##### Math›Algebra›Graphs and Functions
How to plot points and name quadrants.
• #### Plotting Points and Naming Quadrants - Problem 1

##### Math›Algebra›Graphs and Functions
How to plot points in Quadrant I.
• #### 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.
• #### Surface Area of Joined Solids - Problem 2

##### Math›Geometry›Area
How to calculate the surface area of a rectangular prism with half of a cylinder on top.
• #### Plotting Points and Naming Quadrants - Problem 2

##### Math›Algebra›Graphs and Functions
How to plot points in Quadrant III.
• #### Vectors and Planes - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find an equation of the plane tangent to a sphere.
• #### Lines in Polar Coordinates - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the polar equation of a line through the origin (or pole).
• #### The Euler Formula - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.
• #### Plotting Points and Naming Quadrants - Problem 3

##### Math›Algebra›Graphs and Functions
How to plot points when the x value is a fraction

• #### Introduction to the 3D Coordinate System - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the coordinates of the vertices of a rectangular box.
• #### Lines in Polar Coordinates - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to interpret the polar equation of a line.
• #### Lines in Polar Coordinates - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the polar equation of any line.
• #### The Euler Formula - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from rectangular form to the exponential form.
• #### Factoring Trinomials, a is not 1 - Problem 11

##### Math›Algebra›Factoring
A geometric interpretation of factoring trinoimals that uses a length times width equals area rectangular model. A "diamond puzzle" is used to find the rectangle's sub-areas.
• #### Trigonometric Form of Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
• #### Parametric Equations and Motion - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to determine the path of an object by eliminating the parameter when the position is given by parametric equations.
• #### Parametric Equations and Motion - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to determine the path of an object by eliminating the parameter when the position is given by parametric equations with trigonometric equations.
• #### Dividing Complex Numbers - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the quotient of two complex numbers in rectangular form, z1 = 6 - 6*i and z2 = 3 + 3*i, by converting them to trigonometric form.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to use the Pythagorean Theorem to find the surface area of a prism given one of the face diagonals and the lengths of two edges.
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