• #### 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.
• #### Find an Equation for the Sine or Cosine Wave - Concept

##### Math›Trigonometry›Trigonometric Functions
How to identify the graph of a stretched cosine curve.
• #### Angles in Semicircles and Chords to Tangents - Concept

##### Math›Geometry›Circles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
• #### Parallel and Perpendicular Lines - Problem 7

##### Math›Algebra›Linear Equations and Their Graphs
Write the equation for a line parallel to a given line through a given slope in point slope and then slope intercept form, including fractional slopes
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• #### Addition and Subtraction with Decimals - Problem 1

##### Math›Pre-Algebra›Decimals and Percents
Adding decimals by vertically aligning the decimal point and adding zeros to make them the same length
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• #### Parallel and Perpendicular Lines - Problem 10

##### Math›Algebra›Linear Equations and Their Graphs
Write the equation for a line perpendicular to a given line through a given slope in point slope and then slope intercept form
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• #### Angles in Semicircles and Chords to Tangents - Problem 2

##### Math›Geometry›Circles
How to solve for arcs and angles formed by a chord drawn to a point of tangency.
• #### Transforming the Cotangent Graph - Concept

##### Math›Trigonometry›Trigonometric Functions
How graph the cotangent function using five key points.
• #### Addition and Subtraction with Decimals - Problem 2

##### Math›Pre-Algebra›Decimals and Percents
Subtracting decimals by vertically aligning the decimal point and adding zeros to make them the same length
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• #### Integer Power Functions - Problem 1

##### Math›Precalculus›Polynomial and Rational Functions
How we graph a transformation of the even power function y = x^4.
• #### Rectangular Coordinate System - Concept

##### Math›Algebra 2›Graphs of Linear Equations
How to talk about the rectangular coordinate system.
• #### Angles in Semicircles and Chords to Tangents - Problem 3

##### Math›Geometry›Circles
How to solve for arcs and angles formed by two chords drawn to a point of tangency.
• #### Integer Power Functions - Problem 2

##### Math›Precalculus›Polynomial and Rational Functions
How we graph a transformation of the odd power function y = x^5.
• #### Transforming the Cotangent Graph - Concept

##### Math›Precalculus›Trigonometric Functions
How graph the cotangent function using five key points.
• #### Inverse Variation - Problem 3

##### Math›Algebra›Linear Equations and Their Graphs
How to solve for a variable in an ordered pair if told that two points are solutions to an inverse variation.
• #### Finding the Equation of a Graphed Line - Concept

##### Math›Algebra›Linear Equations and Their Graphs
How to write the equation of a graphed line.
• #### Lines in 3D - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the vector equation of a line parallel to a given line L that passes through a given point not on L.
• #### Integer Power Functions - Problem 3

##### Math›Precalculus›Polynomial and Rational Functions
How we graph a transformation of the odd power function y = x^3.
• #### Relations and Determining Whether a Relation is a Function - Problem 7

##### Math›Algebra›Graphs and Functions
How to determine whether a relation is a function from a set of points, a mapping, or a graph
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• #### Relations and Determining Whether a Relation is a Function - Problem 6

##### Math›Algebra›Graphs and Functions
Finding the domain and range of a relation from a table, set of points, or map
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