# matrix multiplication   5 videos

• #### Additive and Multiplicative Inverses

##### AlgebraPre-Algebra

How to find additive and multiplicative inverses.

additive inverse multiplicative inverse product sum
• #### Selling Multiple Items

##### AlgebraWord Problems Using Systems of Equations

How to set up a system of equations to represent word problems where someone is selling multiple items.

system of equations coefficient elimination
• #### Solving and Graphing Inequalities using Multiplication or Division

##### AlgebraSolving and Graphing Inequalities

How to solve and graph one variable inequalities using multiplication or division.

inequality notation solve
• #### Solving Systems using Matrices

##### AlgebraSolving Systems of Equations

How to use matrices to solve a system of equations.

matrix coefficient matrix inverse matrix system of equations
• #### Multiplication and Division Properties of Exponents

##### AlgebraExponents

How to simplify products and quotients involving exponents.

base power exponent property