Examples for

# Common Core Math: High School Algebra: Creating Equations

In high school, students write equations and inequalities based on mathematical descriptions or real-world scenarios. Students analyze these equations using algebraic manipulation and graphs. Students also encounter scenarios best modeled by systems of multiple equations and learn techniques for interpreting and solving multiple simultaneous equations. The focus of this domain is in using mathematical notation to describe real-world problems and connecting the meaning of mathematical symbols to the real-world quantities they represent.

### Common Core Standards

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### Graphing Equations

Visualize solutions to equations by graphing.

#### Graph equations on a coordinate plane (CCSS.Math.Content.HSA-CED.A.2):

### Writing Equations

Use a mathematical equation or inequality to describe real-world quantities.

#### Write equations and inequalities in one variable (CCSS.Math.Content.HSA-CED.A.1):

#### Write equations and inequalities to represent relationships between variables (CCSS.Math.Content.HSA-CED.A.2):

#### Write and solve a system of equations (CCSS.Math.Content.HSA-CED.A.3):

### Solving Equations

Use algebra to rearrange an equation.