• #### The Angle Between Vectors - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to determine whether two vectors are perpendicular or parallel.
• #### The Angle Between Vectors - Problem 4

##### Math›Precalculus›Vectors and Parametric Equations
How to derive the formula for the angle between two vectors.
• #### Inverse Variation - Problem 2

##### Math›Algebra›Linear Equations and Their Graphs
How to tell if a given equation represents an inverse variation relationship.
• #### Curve Sketching with Derivatives - Problem 3

##### Math›Calculus›Applications of the Derivative
How to use sign charts of the first and second derivatives to sketch a graph of a product of functions, 9xe^(-x/3)
Tags:
• #### The Angle Between Planes - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to determine if two planes are parallel or perpendicular.
• #### Inverse Variation - Problem 1

##### Math›Algebra›Linear Equations and Their Graphs
How to tell if tables of values represent inverse variation relationships.
• #### Solving Quadratic Equations by Factoring - Problem 4

How to solve quadratic equations by factoring by simplifying coefficients.
• #### Square Matrices - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
• #### Multiplying and DIviding with Mixed Numbers - Problem 3

##### Math›Pre-Algebra›Fractions and MIxed Numbers
Estimating products and quotients of mixed numbers
Tags:
• #### Rules for Rational Exponents - Problem 4

How to simplify a product of radicals using rational exponents.
• #### Rules for Rational Exponents - Problem 1

How to simplify a product or quotient using rational exponents.
• #### Multiplying and Distributing Radical Expressions - Problem 6

Distributing a radical monomial over a binomial with radicals, including simplifying the resulting product.
Tags:
• #### Solving Quadratic Equations by Factoring - Concept

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve quadratic equations by factoring.
• #### Condensing Logarithms - Problem 6

##### Math›Precalculus›Exponential and Logarithmic Functions
Math homework help video on condensing log expressions that contain an integer term.
• #### The Angle Between Vectors - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to compute one of the angles of a triangle when you are given the coordinates of its three vertices.
• #### Solving Quadratic Equations by Factoring - Problem 3

How to solve quadratic equations by factoring if there is only one solution.