You are able to solve different types of equations and also solve for a variable in a formula.

You know the basic methods for solving a system of equations and are able to use these methods flexibly.

You are familiar with the directional angle and the basic properties of trigonometric functions. You can solve a triangle and understand the prerequisites in the solving process.

You know basic methods for solving a system of equations and are able to use them flexibly.

You know the fundamental properties of vectors and are able to deal with basic vector problems.

You know the idea of the logarithms and are familiar with basic logarithm formulas. You can solve exponential equations and deal with problems of exponential growth and decrease.