How to use inverses to define the logarithmic function.
How to define the properties of real numbers.
How to solve a system of equations using elimination.
How to use matrices to solve a system of equations.
How to define indirect variation.
How to determine whether a square matrix is invertible using its determinant.
How to solve a simple sine equation: sin (theta) = 1/2.
How to find the graph of a logarithmic equation with a base greater than one.
How to evaluate logarithms when the argument is a recognizable power of the base.
How to convert a system of linear equations into a matrix equation and solve it.