• #### Simplifying Expressions and Combining Like Terms - Problem 1

##### Math›Algebra›Pre-Algebra
How to simplify an expression by combining like terms.
• #### Solving Quadratic Equations by Factoring - Problem 4

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve quadratic equations by factoring by simplifying coefficients.
• #### Factoring Trinomials, a is not 1 - Problem 2

##### Math›Algebra›Factoring
How to factor trinomials with the leading coefficient has more than one pair of factors.
• #### Selling Multiple Items - Concept

##### Math›Algebra›Word Problems Using Systems of Equations
How to set up a system of equations to represent word problems where someone is selling multiple items.
• #### Solving Systems of Equations using Elimination - Concept

##### Math›Algebra›Solving Systems of Equations
How to solve a system of equations using elimination.
• #### Solving Equations - one variable term - Problem 2

##### Math›Pre-Algebra›Solving Equations and Inequalities
Solving two step equations with negative coefficients on the variable
Tags:
• #### Solving Equations - one variable term - Problem 1

##### Math›Pre-Algebra›Solving Equations and Inequalities
Solving two step equations with positive coefficients on the variable
Tags:
• #### Selling Multiple Items - Problem 2

##### Math›Algebra›Word Problems Using Systems of Equations
How to set up and solve a system of equations related to selling 2 different products at different prices.
• #### Solving Systems using Matrices - Problem 1

##### Math›Algebra›Solving Systems of Equations
How to use matrices to solve a system of equations with whole number solutions.
• #### Simplifying Expressions and Combining Like Terms - Problem 2

##### Math›Algebra›Pre-Algebra
How to simplify and expression by distributing and combining like terms.
• #### Solving Systems of Equations using Elimination - Problem 4

##### Math›Algebra›Solving Systems of Equations
Solving a system of equations by elimination or linear combination when the coefficients are already additive inverses
Tags:
• #### Solving Systems using Matrices - Problem 2

##### Math›Algebra›Solving Systems of Equations
How to use matrices to solve a system of equations that has three equations and three variables.
• #### Cramer's Rule - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to interpret the results when Cramer's rule fails to yield a solution.
• #### Solving a Quadratic by Completing the Square - Problem 1

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve a quadratic equation by completing the square and the leading coefficient is one.
• #### Standard Form of Linear Equations - Problem 2

##### Math›Algebra›Linear Equations and Their Graphs
How to change a point-slope equation into standard form.
• #### Standard Form of Linear Equations - Concept

##### Math›Algebra›Linear Equations and Their Graphs
How to determine what form an equation is written in.
• #### Selling Multiple Items - Problem 1

##### Math›Algebra›Word Problems Using Systems of Equations
How to set up and solve a system of equations related to selling tickets to an event at different costs.
• #### Finding the Vertex of a Parabola by Completing the Square - Problem 2

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to find the vertex of a parabola by completing the square with a negative leading coefficient.
• #### Solving a Quadratic by Completing the Square - Problem 2

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve a quadratic by completing the square when the leading coefficient is not one.
• #### Finding the Vertex of a Parabola by Completing the Square - Problem 2

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
How to find the vertex of a parabola by completing the square with a negative leading coefficient.