• #### Finding the Equation of a Graphed Line - Problem 3

##### Math›Algebra›Linear Equations and Their Graphs
How to write the equations of graphed horizontal and vertical lines.
• #### Graphing Polynomial Functions - Concept

##### Math›Precalculus›Polynomial and Rational Functions
How we identify the end behavior of a polynomial functions.
• #### 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.
• #### Economics: Cost & Revenue - Problem 2

##### Math›Calculus›Applications of the Derivative
How to use economic equations to analyze costs, revenues, fixed costs, variable costs, break-even points and profits with an average cost function
Tags:
• #### Graphing Lines using a Table of Values - Problem 6

##### Math›Algebra›Linear Equations and Their Graphs
Determining whether a given point is on a line without a graph
Tags:
• #### Radii to Tangents - Problem 2

##### Math›Geometry›Circles
How to calculate the measure of a missing angle in a quadrilateral formed by two circles that are tangent but not congruent and their radii drawn to a common line of tangency.
• #### Find an Equation for the Sine or Cosine Wave - Concept

##### Math›Precalculus›Trigonometric Functions
How to identify the graph of a stretched cosine curve.
• #### Graphing Polar Equations - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry.
• #### Find an Equation for the Sine or Cosine Wave - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to identify the graph of a stretched and shifted cosine curve.
• #### Transforming the Tangent Graph - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to graph y = 3 tan(x/4).
• #### Area With Determinants - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to use the triangle area formula to test three points for collinearity.
• #### Find an Equation for the Sine or Cosine Wave - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to identify the graph of a stretched and reflected sine curve.
• #### Find an Equation for the Sine or Cosine Wave - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to model periodic data with a stretched and shifted cosine curve.
• #### Lines in 3D - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the vector equation, the parametric equations, and the symmetric equation of a line given two points on the line.
• #### Graphing Polar Equations - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry about the y-axis.
• #### The Product Rule - Problem 3

##### Math›Calculus›Techniques of Differentiation
How to differentiate a product of two functions when values of each function are given, and how to find an equation of a tangent line to the product function's graph.
• #### Find an Equation for the Sine or Cosine Wave - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to identify the graph of a stretched and reflected sine curve.
• #### Derivatives of Power Functions - Problem 2

##### Math›Calculus›The Derivative
How to compute the derivative of f(x) = x^(-2) and how to find an equation of the line tangent to its graph at x= -2.
• #### Vectors and Planes - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find a vector and a rectangular equation for a plane given a normal vector of the plane and one point in the plane.
• #### Find an Equation for the Sine or Cosine Wave - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to model periodic data with a stretched and shifted cosine curve.